Finding the Fourth Proportional to 147,085.04, 220,433.72 and 58,290.14

Step by Step Solution

1. Step 1: Write the proportion equation
   147,085.04 : 220,433.72 = 58,290.14 : x
2. Step 2: Convert to fraction form
   147,085.04/220,433.72 = 58,290.14/x
3. Step 3: Cross multiply
   147,085.04x = 220,433.72 × 58,290.14
4. Step 4: Simplify right side
   147,085.04x = 12,849,111,005.90
5. Step 5: Solve for x
   x = 12,849,111,005.90/147,085.04
6. Step 6: Final answer
   x = 87,358.38