Finding the Fourth Proportional to 147,086.53, 220,435.97 and 58,291.63

Step by Step Solution

1. Step 1: Write the proportion equation
   147,086.53 : 220,435.97 = 58,291.63 : x
2. Step 2: Convert to fraction form
   147,086.53/220,435.97 = 58,291.63/x
3. Step 3: Cross multiply
   147,086.53x = 220,435.97 × 58,291.63
4. Step 4: Simplify right side
   147,086.53x = 12,849,571,159.38
5. Step 5: Solve for x
   x = 12,849,571,159.38/147,086.53
6. Step 6: Final answer
   x = 87,360.63