Finding the Fourth Proportional to 146,088.56, 201,617.71 and 85,710.05

Step by Step Solution

1. Step 1: Write the proportion equation
   146,088.56 : 201,617.71 = 85,710.05 : x
2. Step 2: Convert to fraction form
   146,088.56/201,617.71 = 85,710.05/x
3. Step 3: Cross multiply
   146,088.56x = 201,617.71 × 85,710.05
4. Step 4: Simplify right side
   146,088.56x = 17,280,663,538.69
5. Step 5: Solve for x
   x = 17,280,663,538.69/146,088.56
6. Step 6: Final answer
   x = 118,288.96