Finding the Fourth Proportional to 102,003.10, 152,317.67 and 83,320.04

Step by Step Solution

1. Step 1: Write the proportion equation
   102,003.10 : 152,317.67 = 83,320.04 : x
2. Step 2: Convert to fraction form
   102,003.10/152,317.67 = 83,320.04/x
3. Step 3: Cross multiply
   102,003.10x = 152,317.67 × 83,320.04
4. Step 4: Simplify right side
   102,003.10x = 12,691,114,321.30
5. Step 5: Solve for x
   x = 12,691,114,321.30/102,003.10
6. Step 6: Final answer
   x = 124,418.91