Finding the Fourth Proportional to 159,073.42, 219,521.82 and 91,091.47

Step by Step Solution

1. Step 1: Write the proportion equation
   159,073.42 : 219,521.82 = 91,091.47 : x
2. Step 2: Convert to fraction form
   159,073.42/219,521.82 = 91,091.47/x
3. Step 3: Cross multiply
   159,073.42x = 219,521.82 × 91,091.47
4. Step 4: Simplify right side
   159,073.42x = 19,996,565,280.88
5. Step 5: Solve for x
   x = 19,996,565,280.88/159,073.42
6. Step 6: Final answer
   x = 125,706.52