Finding the Fourth Proportional to 103,357, 142,610.34 and 60,900.04

Step by Step Solution

1. Step 1: Write the proportion equation
   103,357 : 142,610.34 = 60,900.04 : x
2. Step 2: Convert to fraction form
   103,357/142,610.34 = 60,900.04/x
3. Step 3: Cross multiply
   103,357x = 142,610.34 × 60,900.04
4. Step 4: Simplify right side
   103,357x = 8,684,975,410.41
5. Step 5: Solve for x
   x = 8,684,975,410.41/103,357
6. Step 6: Final answer
   x = 84,028.90