Finding the Fourth Proportional to 85,567.98, 118,108.47 and 60,080.55

Step by Step Solution

1. Step 1: Write the proportion equation
   85,567.98 : 118,108.47 = 60,080.55 : x
2. Step 2: Convert to fraction form
   85,567.98/118,108.47 = 60,080.55/x
3. Step 3: Cross multiply
   85,567.98x = 118,108.47 × 60,080.55
4. Step 4: Simplify right side
   85,567.98x = 7,096,021,363.30
5. Step 5: Solve for x
   x = 7,096,021,363.30/85,567.98
6. Step 6: Final answer
   x = 82,928.46