Finding the Fourth Proportional to 99,833.32, 137,770.29 and 54,511.69

Step by Step Solution

1. Step 1: Write the proportion equation
   99,833.32 : 137,770.29 = 54,511.69 : x
2. Step 2: Convert to fraction form
   99,833.32/137,770.29 = 54,511.69/x
3. Step 3: Cross multiply
   99,833.32x = 137,770.29 × 54,511.69
4. Step 4: Simplify right side
   99,833.32x = 7,510,091,339.69
5. Step 5: Solve for x
   x = 7,510,091,339.69/99,833.32
6. Step 6: Final answer
   x = 75,226.30