Finding the Fourth Proportional to 99,713.86, 149,446.06 and 49,807.89

Step by Step Solution

1. Step 1: Write the proportion equation
   99,713.86 : 149,446.06 = 49,807.89 : x
2. Step 2: Convert to fraction form
   99,713.86/149,446.06 = 49,807.89/x
3. Step 3: Cross multiply
   99,713.86x = 149,446.06 × 49,807.89
4. Step 4: Simplify right side
   99,713.86x = 7,443,592,170.18
5. Step 5: Solve for x
   x = 7,443,592,170.18/99,713.86
6. Step 6: Final answer
   x = 74,649.52