Finding the Fourth Proportional to 99,388.50, 149,083.54 and 36,253.86

Step by Step Solution

1. Step 1: Write the proportion equation
   99,388.50 : 149,083.54 = 36,253.86 : x
2. Step 2: Convert to fraction form
   99,388.50/149,083.54 = 36,253.86/x
3. Step 3: Cross multiply
   99,388.50x = 149,083.54 × 36,253.86
4. Step 4: Simplify right side
   99,388.50x = 5,404,853,787.46
5. Step 5: Solve for x
   x = 5,404,853,787.46/99,388.50
6. Step 6: Final answer
   x = 54,381.08