Finding the Fourth Proportional to 103,980.33, 143,492.72 and 58,658.27

Step by Step Solution

1. Step 1: Write the proportion equation
   103,980.33 : 143,492.72 = 58,658.27 : x
2. Step 2: Convert to fraction form
   103,980.33/143,492.72 = 58,658.27/x
3. Step 3: Cross multiply
   103,980.33x = 143,492.72 × 58,658.27
4. Step 4: Simplify right side
   103,980.33x = 8,417,033,702.04
5. Step 5: Solve for x
   x = 8,417,033,702.04/103,980.33
6. Step 6: Final answer
   x = 80,948.33