Finding the Fourth Proportional to 71,725.18, 98,978.98 and 41,506.30

Step by Step Solution

1. Step 1: Write the proportion equation
   71,725.18 : 98,978.98 = 41,506.30 : x
2. Step 2: Convert to fraction form
   71,725.18/98,978.98 = 41,506.30/x
3. Step 3: Cross multiply
   71,725.18x = 98,978.98 × 41,506.30
4. Step 4: Simplify right side
   71,725.18x = 4,108,251,237.57
5. Step 5: Solve for x
   x = 4,108,251,237.57/71,725.18
6. Step 6: Final answer
   x = 57,277.67