Finding the Fourth Proportional to 116,557.68, 174,460.50 and 60,320.40

Step by Step Solution

1. Step 1: Write the proportion equation
   116,557.68 : 174,460.50 = 60,320.40 : x
2. Step 2: Convert to fraction form
   116,557.68/174,460.50 = 60,320.40/x
3. Step 3: Cross multiply
   116,557.68x = 174,460.50 × 60,320.40
4. Step 4: Simplify right side
   116,557.68x = 10,523,527,144.20
5. Step 5: Solve for x
   x = 10,523,527,144.20/116,557.68
6. Step 6: Final answer
   x = 90,286.00