Finding the Fourth Proportional to 12,716,631.50, 19,069,812.72 and 4,931,446.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,716,631.50 : 19,069,812.72 = 4,931,446.80 : x
2. Step 2: Convert to fraction form
   12,716,631.50/19,069,812.72 = 4,931,446.80/x
3. Step 3: Cross multiply
   12,716,631.50x = 19,069,812.72 × 4,931,446.80
4. Step 4: Simplify right side
   12,716,631.50x = 94,041,766,914,643.28
5. Step 5: Solve for x
   x = 94,041,766,914,643.28/12,716,631.50
6. Step 6: Final answer
   x = 7,395,179.06