Finding the Fourth Proportional to 99,739.72, 149,484.82 and 49,833.82

Step by Step Solution

1. Step 1: Write the proportion equation
   99,739.72 : 149,484.82 = 49,833.82 : x
2. Step 2: Convert to fraction form
   99,739.72/149,484.82 = 49,833.82/x
3. Step 3: Cross multiply
   99,739.72x = 149,484.82 × 49,833.82
4. Step 4: Simplify right side
   99,739.72x = 7,449,399,612.61
5. Step 5: Solve for x
   x = 7,449,399,612.61/99,739.72
6. Step 6: Final answer
   x = 74,688.40