Finding the Fourth Proportional to 99,736.72, 149,480.32 and 49,830.82

Step by Step Solution

1. Step 1: Write the proportion equation
   99,736.72 : 149,480.32 = 49,830.82 : x
2. Step 2: Convert to fraction form
   99,736.72/149,480.32 = 49,830.82/x
3. Step 3: Cross multiply
   99,736.72x = 149,480.32 × 49,830.82
4. Step 4: Simplify right side
   99,736.72x = 7,448,726,919.46
5. Step 5: Solve for x
   x = 7,448,726,919.46/99,736.72
6. Step 6: Final answer
   x = 74,683.90