Finding the Fourth Proportional to 93,868.72, 129,540.72 and 58,058.08

Step by Step Solution

1. Step 1: Write the proportion equation
   93,868.72 : 129,540.72 = 58,058.08 : x
2. Step 2: Convert to fraction form
   93,868.72/129,540.72 = 58,058.08/x
3. Step 3: Cross multiply
   93,868.72x = 129,540.72 × 58,058.08
4. Step 4: Simplify right side
   93,868.72x = 7,520,885,485.02
5. Step 5: Solve for x
   x = 7,520,885,485.02/93,868.72
6. Step 6: Final answer
   x = 80,121.32