Finding the Fourth Proportional to 99,642.15, 149,469.30 and 33,088.10

Step by Step Solution

1. Step 1: Write the proportion equation
   99,642.15 : 149,469.30 = 33,088.10 : x
2. Step 2: Convert to fraction form
   99,642.15/149,469.30 = 33,088.10/x
3. Step 3: Cross multiply
   99,642.15x = 149,469.30 × 33,088.10
4. Step 4: Simplify right side
   99,642.15x = 4,945,654,397.98
5. Step 5: Solve for x
   x = 4,945,654,397.98/99,642.15
6. Step 6: Final answer
   x = 49,634.16