Finding the Fourth Proportional to 23,048,142,611.83, 31,796,697,344.70 and 15,429,643,071.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,048,142,611.83 : 31,796,697,344.70 = 15,429,643,071.82 : x
2. Step 2: Convert to fraction form
   23,048,142,611.83/31,796,697,344.70 = 15,429,643,071.82/x
3. Step 3: Cross multiply
   23,048,142,611.83x = 31,796,697,344.70 × 15,429,643,071.82
4. Step 4: Simplify right side
   23,048,142,611.83x = 490,611,690,891,407,720,448
5. Step 5: Solve for x
   x = 490,611,690,891,407,720,448/23,048,142,611.83
6. Step 6: Final answer
   x = 21,286,387,330.82