Finding the Fourth Proportional to 31,042,452.78, 42,838,627.32 and 16,913,568.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,042,452.78 : 42,838,627.32 = 16,913,568.96 : x
2. Step 2: Convert to fraction form
   31,042,452.78/42,838,627.32 = 16,913,568.96/x
3. Step 3: Cross multiply
   31,042,452.78x = 42,838,627.32 × 16,913,568.96
4. Step 4: Simplify right side
   31,042,452.78x = 724,554,077,328,560
5. Step 5: Solve for x
   x = 724,554,077,328,560/31,042,452.78
6. Step 6: Final answer
   x = 23,340,748.31