Finding the Fourth Proportional to 65,561.10, 98,259.30 and 28,077

Step by Step Solution

1. Step 1: Write the proportion equation
   65,561.10 : 98,259.30 = 28,077 : x
2. Step 2: Convert to fraction form
   65,561.10/98,259.30 = 28,077/x
3. Step 3: Cross multiply
   65,561.10x = 98,259.30 × 28,077
4. Step 4: Simplify right side
   65,561.10x = 2,758,826,366.10
5. Step 5: Solve for x
   x = 2,758,826,366.10/65,561.10
6. Step 6: Final answer
   x = 42,080.23