Finding the Fourth Proportional to 99,322.14, 137,067.24 and 54,003.18

Step by Step Solution

1. Step 1: Write the proportion equation
   99,322.14 : 137,067.24 = 54,003.18 : x
2. Step 2: Convert to fraction form
   99,322.14/137,067.24 = 54,003.18/x
3. Step 3: Cross multiply
   99,322.14x = 137,067.24 × 54,003.18
4. Step 4: Simplify right side
   99,322.14x = 7,402,066,833.82
5. Step 5: Solve for x
   x = 7,402,066,833.82/99,322.14
6. Step 6: Final answer
   x = 74,525.85