Finding the Fourth Proportional to 99,699.99, 149,500.01 and 33,116.78

Step by Step Solution

1. Step 1: Write the proportion equation
   99,699.99 : 149,500.01 = 33,116.78 : x
2. Step 2: Convert to fraction form
   99,699.99/149,500.01 = 33,116.78/x
3. Step 3: Cross multiply
   99,699.99x = 149,500.01 × 33,116.78
4. Step 4: Simplify right side
   99,699.99x = 4,950,958,276.46
5. Step 5: Solve for x
   x = 4,950,958,276.46/99,699.99
6. Step 6: Final answer
   x = 49,658.56