Finding the Fourth Proportional to 110,448, 152,432.64 and 65,736

Step by Step Solution

1. Step 1: Write the proportion equation
   110,448 : 152,432.64 = 65,736 : x
2. Step 2: Convert to fraction form
   110,448/152,432.64 = 65,736/x
3. Step 3: Cross multiply
   110,448x = 152,432.64 × 65,736
4. Step 4: Simplify right side
   110,448x = 10,020,312,023.04
5. Step 5: Solve for x
   x = 10,020,312,023.04/110,448
6. Step 6: Final answer
   x = 90,724.25