Finding the Fourth Proportional to 98,744.72, 148,139.00 and 38,778.98

Step by Step Solution

1. Step 1: Write the proportion equation
   98,744.72 : 148,139.00 = 38,778.98 : x
2. Step 2: Convert to fraction form
   98,744.72/148,139.00 = 38,778.98/x
3. Step 3: Cross multiply
   98,744.72x = 148,139.00 × 38,778.98
4. Step 4: Simplify right side
   98,744.72x = 5,744,679,124.33
5. Step 5: Solve for x
   x = 5,744,679,124.33/98,744.72
6. Step 6: Final answer
   x = 58,177.08