Finding the Fourth Proportional to 75,061.48, 103,539.72 and 49,568.08

Step by Step Solution

1. Step 1: Write the proportion equation
   75,061.48 : 103,539.72 = 49,568.08 : x
2. Step 2: Convert to fraction form
   75,061.48/103,539.72 = 49,568.08/x
3. Step 3: Cross multiply
   75,061.48x = 103,539.72 × 49,568.08
4. Step 4: Simplify right side
   75,061.48x = 5,132,265,124.14
5. Step 5: Solve for x
   x = 5,132,265,124.14/75,061.48
6. Step 6: Final answer
   x = 68,374.15