Finding the Fourth Proportional to 159,064.88, 219,510.88 and 87,443.33

Step by Step Solution

1. Step 1: Write the proportion equation
   159,064.88 : 219,510.88 = 87,443.33 : x
2. Step 2: Convert to fraction form
   159,064.88/219,510.88 = 87,443.33/x
3. Step 3: Cross multiply
   159,064.88x = 219,510.88 × 87,443.33
4. Step 4: Simplify right side
   159,064.88x = 19,194,761,002.27
5. Step 5: Solve for x
   x = 19,194,761,002.27/159,064.88
6. Step 6: Final answer
   x = 120,672.53