Finding the Fourth Proportional to 99,322.49, 137,067.73 and 54,003.52

Step by Step Solution

1. Step 1: Write the proportion equation
   99,322.49 : 137,067.73 = 54,003.52 : x
2. Step 2: Convert to fraction form
   99,322.49/137,067.73 = 54,003.52/x
3. Step 3: Cross multiply
   99,322.49x = 137,067.73 × 54,003.52
4. Step 4: Simplify right side
   99,322.49x = 7,402,139,420.73
5. Step 5: Solve for x
   x = 7,402,139,420.73/99,322.49
6. Step 6: Final answer
   x = 74,526.32