Finding the Fourth Proportional to 99,285.29, 137,014.61 and 53,963.37

Step by Step Solution

1. Step 1: Write the proportion equation
   99,285.29 : 137,014.61 = 53,963.37 : x
2. Step 2: Convert to fraction form
   99,285.29/137,014.61 = 53,963.37/x
3. Step 3: Cross multiply
   99,285.29x = 137,014.61 × 53,963.37
4. Step 4: Simplify right side
   99,285.29x = 7,393,769,825.02
5. Step 5: Solve for x
   x = 7,393,769,825.02/99,285.29
6. Step 6: Final answer
   x = 74,469.95