Finding the Fourth Proportional to 49,816.52, 74,641.72 and 40,959.16

Step by Step Solution

1. Step 1: Write the proportion equation
   49,816.52 : 74,641.72 = 40,959.16 : x
2. Step 2: Convert to fraction form
   49,816.52/74,641.72 = 40,959.16/x
3. Step 3: Cross multiply
   49,816.52x = 74,641.72 × 40,959.16
4. Step 4: Simplify right side
   49,816.52x = 3,057,262,152.16
5. Step 5: Solve for x
   x = 3,057,262,152.16/49,816.52
6. Step 6: Final answer
   x = 61,370.45