Finding the Fourth Proportional to 158,755.88, 219,048.90 and 91,649

Step by Step Solution

1. Step 1: Write the proportion equation
   158,755.88 : 219,048.90 = 91,649 : x
2. Step 2: Convert to fraction form
   158,755.88/219,048.90 = 91,649/x
3. Step 3: Cross multiply
   158,755.88x = 219,048.90 × 91,649
4. Step 4: Simplify right side
   158,755.88x = 20,075,612,636.10
5. Step 5: Solve for x
   x = 20,075,612,636.10/158,755.88
6. Step 6: Final answer
   x = 126,455.87