Finding the Fourth Proportional to 99,760.32, 149,664.88 and 33,200.32

Step by Step Solution

1. Step 1: Write the proportion equation
   99,760.32 : 149,664.88 = 33,200.32 : x
2. Step 2: Convert to fraction form
   99,760.32/149,664.88 = 33,200.32/x
3. Step 3: Cross multiply
   99,760.32x = 149,664.88 × 33,200.32
4. Step 4: Simplify right side
   99,760.32x = 4,968,921,908.76
5. Step 5: Solve for x
   x = 4,968,921,908.76/99,760.32
6. Step 6: Final answer
   x = 49,808.60