Finding the Fourth Proportional to 143,747.39, 215,631.52 and 58,317.23

Step by Step Solution

1. Step 1: Write the proportion equation
   143,747.39 : 215,631.52 = 58,317.23 : x
2. Step 2: Convert to fraction form
   143,747.39/215,631.52 = 58,317.23/x
3. Step 3: Cross multiply
   143,747.39x = 215,631.52 × 58,317.23
4. Step 4: Simplify right side
   143,747.39x = 12,575,033,340.38
5. Step 5: Solve for x
   x = 12,575,033,340.38/143,747.39
6. Step 6: Final answer
   x = 87,480.08