Finding the Fourth Proportional to 99,322.39, 137,067.59 and 54,003.43

Step by Step Solution

1. Step 1: Write the proportion equation
   99,322.39 : 137,067.59 = 54,003.43 : x
2. Step 2: Convert to fraction form
   99,322.39/137,067.59 = 54,003.43/x
3. Step 3: Cross multiply
   99,322.39x = 137,067.59 × 54,003.43
4. Step 4: Simplify right side
   99,322.39x = 7,402,119,731.82
5. Step 5: Solve for x
   x = 7,402,119,731.82/99,322.39
6. Step 6: Final answer
   x = 74,526.19