Finding the Fourth Proportional to 65,612.65, 90,498.80 and 43,797.92

Step by Step Solution

1. Step 1: Write the proportion equation
   65,612.65 : 90,498.80 = 43,797.92 : x
2. Step 2: Convert to fraction form
   65,612.65/90,498.80 = 43,797.92/x
3. Step 3: Cross multiply
   65,612.65x = 90,498.80 × 43,797.92
4. Step 4: Simplify right side
   65,612.65x = 3,963,658,983.51
5. Step 5: Solve for x
   x = 3,963,658,983.51/65,612.65
6. Step 6: Final answer
   x = 60,409.99