Finding the Fourth Proportional to 90,870.72, 125,392.80 and 67,010.24

Step by Step Solution

1. Step 1: Write the proportion equation
   90,870.72 : 125,392.80 = 67,010.24 : x
2. Step 2: Convert to fraction form
   90,870.72/125,392.80 = 67,010.24/x
3. Step 3: Cross multiply
   90,870.72x = 125,392.80 × 67,010.24
4. Step 4: Simplify right side
   90,870.72x = 8,402,601,622.27
5. Step 5: Solve for x
   x = 8,402,601,622.27/90,870.72
6. Step 6: Final answer
   x = 92,467.65