Finding the Fourth Proportional to 99,617.31, 149,469.71 and 52,873.83

Step by Step Solution

1. Step 1: Write the proportion equation
   99,617.31 : 149,469.71 = 52,873.83 : x
2. Step 2: Convert to fraction form
   99,617.31/149,469.71 = 52,873.83/x
3. Step 3: Cross multiply
   99,617.31x = 149,469.71 × 52,873.83
4. Step 4: Simplify right side
   99,617.31x = 7,903,035,772.32
5. Step 5: Solve for x
   x = 7,903,035,772.32/99,617.31
6. Step 6: Final answer
   x = 79,333.96