Finding the Fourth Proportional to 158,761.98, 219,111.75 and 91,693.98

Step by Step Solution

1. Step 1: Write the proportion equation
   158,761.98 : 219,111.75 = 91,693.98 : x
2. Step 2: Convert to fraction form
   158,761.98/219,111.75 = 91,693.98/x
3. Step 3: Cross multiply
   158,761.98x = 219,111.75 × 91,693.98
4. Step 4: Simplify right side
   158,761.98x = 20,091,228,422.27
5. Step 5: Solve for x
   x = 20,091,228,422.27/158,761.98
6. Step 6: Final answer
   x = 126,549.37