Finding the Fourth Proportional to 99,894.72, 137,848.62 and 54,563.52

Step by Step Solution

1. Step 1: Write the proportion equation
   99,894.72 : 137,848.62 = 54,563.52 : x
2. Step 2: Convert to fraction form
   99,894.72/137,848.62 = 54,563.52/x
3. Step 3: Cross multiply
   99,894.72x = 137,848.62 × 54,563.52
4. Step 4: Simplify right side
   99,894.72x = 7,521,505,934.34
5. Step 5: Solve for x
   x = 7,521,505,934.34/99,894.72
6. Step 6: Final answer
   x = 75,294.33