Finding the Fourth Proportional to 103,700.02, 143,066.92 and 60,665.80

Step by Step Solution

1. Step 1: Write the proportion equation
   103,700.02 : 143,066.92 = 60,665.80 : x
2. Step 2: Convert to fraction form
   103,700.02/143,066.92 = 60,665.80/x
3. Step 3: Cross multiply
   103,700.02x = 143,066.92 × 60,665.80
4. Step 4: Simplify right side
   103,700.02x = 8,679,269,155.34
5. Step 5: Solve for x
   x = 8,679,269,155.34/103,700.02
6. Step 6: Final answer
   x = 83,695.93