Finding the Fourth Proportional to 105,587.23, 145,714.41 and 60,272.59

Step by Step Solution

1. Step 1: Write the proportion equation
   105,587.23 : 145,714.41 = 60,272.59 : x
2. Step 2: Convert to fraction form
   105,587.23/145,714.41 = 60,272.59/x
3. Step 3: Cross multiply
   105,587.23x = 145,714.41 × 60,272.59
4. Step 4: Simplify right side
   105,587.23x = 8,782,584,891.02
5. Step 5: Solve for x
   x = 8,782,584,891.02/105,587.23
6. Step 6: Final answer
   x = 83,178.48