Finding the Fourth Proportional to 143,005.50, 214,498.80 and 58,743.63

Step by Step Solution

1. Step 1: Write the proportion equation
   143,005.50 : 214,498.80 = 58,743.63 : x
2. Step 2: Convert to fraction form
   143,005.50/214,498.80 = 58,743.63/x
3. Step 3: Cross multiply
   143,005.50x = 214,498.80 × 58,743.63
4. Step 4: Simplify right side
   143,005.50x = 12,600,438,142.64
5. Step 5: Solve for x
   x = 12,600,438,142.64/143,005.50
6. Step 6: Final answer
   x = 88,111.56