Finding the Fourth Proportional to 65,426.32, 90,277.50 and 62,105.32

Step by Step Solution

1. Step 1: Write the proportion equation
   65,426.32 : 90,277.50 = 62,105.32 : x
2. Step 2: Convert to fraction form
   65,426.32/90,277.50 = 62,105.32/x
3. Step 3: Cross multiply
   65,426.32x = 90,277.50 × 62,105.32
4. Step 4: Simplify right side
   65,426.32x = 5,606,713,026.30
5. Step 5: Solve for x
   x = 5,606,713,026.30/65,426.32
6. Step 6: Final answer
   x = 85,695.07