Finding the Fourth Proportional to 55,411.76, 83,491.68 and 45,767.08

Step by Step Solution

1. Step 1: Write the proportion equation
   55,411.76 : 83,491.68 = 45,767.08 : x
2. Step 2: Convert to fraction form
   55,411.76/83,491.68 = 45,767.08/x
3. Step 3: Cross multiply
   55,411.76x = 83,491.68 × 45,767.08
4. Step 4: Simplify right side
   55,411.76x = 3,821,170,397.89
5. Step 5: Solve for x
   x = 3,821,170,397.89/55,411.76
6. Step 6: Final answer
   x = 68,959.56