Finding the Fourth Proportional to 99,892.22, 149,788.17 and 33,308.78

Step by Step Solution

1. Step 1: Write the proportion equation
   99,892.22 : 149,788.17 = 33,308.78 : x
2. Step 2: Convert to fraction form
   99,892.22/149,788.17 = 33,308.78/x
3. Step 3: Cross multiply
   99,892.22x = 149,788.17 × 33,308.78
4. Step 4: Simplify right side
   99,892.22x = 4,989,261,201.13
5. Step 5: Solve for x
   x = 4,989,261,201.13/99,892.22
6. Step 6: Final answer
   x = 49,946.44