Finding the Fourth Proportional to 31,098,568, 42,931,560.72 and 19,341,626.17

Step by Step Solution

1. Step 1: Write the proportion equation
   31,098,568 : 42,931,560.72 = 19,341,626.17 : x
2. Step 2: Convert to fraction form
   31,098,568/42,931,560.72 = 19,341,626.17/x
3. Step 3: Cross multiply
   31,098,568x = 42,931,560.72 × 19,341,626.17
4. Step 4: Simplify right side
   31,098,568x = 830,366,198,340,896.12
5. Step 5: Solve for x
   x = 830,366,198,340,896.12/31,098,568
6. Step 6: Final answer
   x = 26,701,107.21