Finding the Fourth Proportional to 99,861.32, 149,811.60 and 33,300.56

Step by Step Solution

1. Step 1: Write the proportion equation
   99,861.32 : 149,811.60 = 33,300.56 : x
2. Step 2: Convert to fraction form
   99,861.32/149,811.60 = 33,300.56/x
3. Step 3: Cross multiply
   99,861.32x = 149,811.60 × 33,300.56
4. Step 4: Simplify right side
   99,861.32x = 4,988,810,174.50
5. Step 5: Solve for x
   x = 4,988,810,174.50/99,861.32
6. Step 6: Final answer
   x = 49,957.38