Finding the Fourth Proportional to 99,470.01, 137,268.23 and 54,150.51

Step by Step Solution

1. Step 1: Write the proportion equation
   99,470.01 : 137,268.23 = 54,150.51 : x
2. Step 2: Convert to fraction form
   99,470.01/137,268.23 = 54,150.51/x
3. Step 3: Cross multiply
   99,470.01x = 137,268.23 × 54,150.51
4. Step 4: Simplify right side
   99,470.01x = 7,433,144,390.54
5. Step 5: Solve for x
   x = 7,433,144,390.54/99,470.01
6. Step 6: Final answer
   x = 74,727.49