Finding the Fourth Proportional to 105,116.24, 157,590.84 and 60,692.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,116.24 : 157,590.84 = 60,692.72 : x
2. Step 2: Convert to fraction form
   105,116.24/157,590.84 = 60,692.72/x
3. Step 3: Cross multiply
   105,116.24x = 157,590.84 × 60,692.72
4. Step 4: Simplify right side
   105,116.24x = 9,564,616,726.68
5. Step 5: Solve for x
   x = 9,564,616,726.68/105,116.24
6. Step 6: Final answer
   x = 90,990.86