Finding the Fourth Proportional to 60,978.87, 83,963.93 and 53,382.69

Step by Step Solution

1. Step 1: Write the proportion equation
   60,978.87 : 83,963.93 = 53,382.69 : x
2. Step 2: Convert to fraction form
   60,978.87/83,963.93 = 53,382.69/x
3. Step 3: Cross multiply
   60,978.87x = 83,963.93 × 53,382.69
4. Step 4: Simplify right side
   60,978.87x = 4,482,220,179.46
5. Step 5: Solve for x
   x = 4,482,220,179.46/60,978.87
6. Step 6: Final answer
   x = 73,504.48