Finding the Fourth Proportional to 111,784.76, 154,253.76 and 65,837.24

Step by Step Solution

1. Step 1: Write the proportion equation
   111,784.76 : 154,253.76 = 65,837.24 : x
2. Step 2: Convert to fraction form
   111,784.76/154,253.76 = 65,837.24/x
3. Step 3: Cross multiply
   111,784.76x = 154,253.76 × 65,837.24
4. Step 4: Simplify right side
   111,784.76x = 10,155,641,818.02
5. Step 5: Solve for x
   x = 10,155,641,818.02/111,784.76
6. Step 6: Final answer
   x = 90,849.97