Finding the Fourth Proportional to 146,987.02, 220,490.78 and 58,240.27

Step by Step Solution

1. Step 1: Write the proportion equation
   146,987.02 : 220,490.78 = 58,240.27 : x
2. Step 2: Convert to fraction form
   146,987.02/220,490.78 = 58,240.27/x
3. Step 3: Cross multiply
   146,987.02x = 220,490.78 × 58,240.27
4. Step 4: Simplify right side
   146,987.02x = 12,841,441,426.71
5. Step 5: Solve for x
   x = 12,841,441,426.71/146,987.02
6. Step 6: Final answer
   x = 87,364.46