Finding the Fourth Proportional to 60,387.58, 90,174.47 and 49,315.69

Step by Step Solution

1. Step 1: Write the proportion equation
   60,387.58 : 90,174.47 = 49,315.69 : x
2. Step 2: Convert to fraction form
   60,387.58/90,174.47 = 49,315.69/x
3. Step 3: Cross multiply
   60,387.58x = 90,174.47 × 49,315.69
4. Step 4: Simplify right side
   60,387.58x = 4,447,016,208.43
5. Step 5: Solve for x
   x = 4,447,016,208.43/60,387.58
6. Step 6: Final answer
   x = 73,641.24