Finding the Fourth Proportional to 99,322.83, 137,068.11 and 54,003.87

Step by Step Solution

1. Step 1: Write the proportion equation
   99,322.83 : 137,068.11 = 54,003.87 : x
2. Step 2: Convert to fraction form
   99,322.83/137,068.11 = 54,003.87/x
3. Step 3: Cross multiply
   99,322.83x = 137,068.11 × 54,003.87
4. Step 4: Simplify right side
   99,322.83x = 7,402,208,393.59
5. Step 5: Solve for x
   x = 7,402,208,393.59/99,322.83
6. Step 6: Final answer
   x = 74,526.76