Finding the Fourth Proportional to 83,916.03, 125,875.72 and 31,315.02

Step by Step Solution

1. Step 1: Write the proportion equation
   83,916.03 : 125,875.72 = 31,315.02 : x
2. Step 2: Convert to fraction form
   83,916.03/125,875.72 = 31,315.02/x
3. Step 3: Cross multiply
   83,916.03x = 125,875.72 × 31,315.02
4. Step 4: Simplify right side
   83,916.03x = 3,941,799,981.65
5. Step 5: Solve for x
   x = 3,941,799,981.65/83,916.03
6. Step 6: Final answer
   x = 46,973.15