Finding the Fourth Proportional to 95,008.20, 142,622.72 and 55,593.60

Step by Step Solution

1. Step 1: Write the proportion equation
   95,008.20 : 142,622.72 = 55,593.60 : x
2. Step 2: Convert to fraction form
   95,008.20/142,622.72 = 55,593.60/x
3. Step 3: Cross multiply
   95,008.20x = 142,622.72 × 55,593.60
4. Step 4: Simplify right side
   95,008.20x = 7,928,910,446.59
5. Step 5: Solve for x
   x = 7,928,910,446.59/95,008.20
6. Step 6: Final answer
   x = 83,455.01