Finding the Fourth Proportional to 22,945,064.14, 31,666,039.68 and 13,156,419.07

Step by Step Solution

1. Step 1: Write the proportion equation
   22,945,064.14 : 31,666,039.68 = 13,156,419.07 : x
2. Step 2: Convert to fraction form
   22,945,064.14/31,666,039.68 = 13,156,419.07/x
3. Step 3: Cross multiply
   22,945,064.14x = 31,666,039.68 × 13,156,419.07
4. Step 4: Simplify right side
   22,945,064.14x = 416,611,688,317,328.69
5. Step 5: Solve for x
   x = 416,611,688,317,328.69/22,945,064.14
6. Step 6: Final answer
   x = 18,156,919.75