Finding the Fourth Proportional to 60,139.95, 90,147.63 and 49,498.16

Step by Step Solution

1. Step 1: Write the proportion equation
   60,139.95 : 90,147.63 = 49,498.16 : x
2. Step 2: Convert to fraction form
   60,139.95/90,147.63 = 49,498.16/x
3. Step 3: Cross multiply
   60,139.95x = 90,147.63 × 49,498.16
4. Step 4: Simplify right side
   60,139.95x = 4,462,141,362.62
5. Step 5: Solve for x
   x = 4,462,141,362.62/60,139.95
6. Step 6: Final answer
   x = 74,195.96