Finding the Fourth Proportional to 111,782.76, 154,251 and 65,835.24

Step by Step Solution

1. Step 1: Write the proportion equation
   111,782.76 : 154,251 = 65,835.24 : x
2. Step 2: Convert to fraction form
   111,782.76/154,251 = 65,835.24/x
3. Step 3: Cross multiply
   111,782.76x = 154,251 × 65,835.24
4. Step 4: Simplify right side
   111,782.76x = 10,155,151,605.24
5. Step 5: Solve for x
   x = 10,155,151,605.24/111,782.76
6. Step 6: Final answer
   x = 90,847.21