Finding the Fourth Proportional to 99,837.94, 137,774.52 and 54,514.69

Step by Step Solution

1. Step 1: Write the proportion equation
   99,837.94 : 137,774.52 = 54,514.69 : x
2. Step 2: Convert to fraction form
   99,837.94/137,774.52 = 54,514.69/x
3. Step 3: Cross multiply
   99,837.94x = 137,774.52 × 54,514.69
4. Step 4: Simplify right side
   99,837.94x = 7,510,735,247.70
5. Step 5: Solve for x
   x = 7,510,735,247.70/99,837.94
6. Step 6: Final answer
   x = 75,229.27