Finding the Fourth Proportional to 55,301.85, 82,948.15 and 28,619.10

Step by Step Solution

1. Step 1: Write the proportion equation
   55,301.85 : 82,948.15 = 28,619.10 : x
2. Step 2: Convert to fraction form
   55,301.85/82,948.15 = 28,619.10/x
3. Step 3: Cross multiply
   55,301.85x = 82,948.15 × 28,619.10
4. Step 4: Simplify right side
   55,301.85x = 2,373,901,399.67
5. Step 5: Solve for x
   x = 2,373,901,399.67/55,301.85
6. Step 6: Final answer
   x = 42,926.26