Finding the Fourth Proportional to 60,849.59, 84,402.04 and 59,231.21

Step by Step Solution

1. Step 1: Write the proportion equation
   60,849.59 : 84,402.04 = 59,231.21 : x
2. Step 2: Convert to fraction form
   60,849.59/84,402.04 = 59,231.21/x
3. Step 3: Cross multiply
   60,849.59x = 84,402.04 × 59,231.21
4. Step 4: Simplify right side
   60,849.59x = 4,999,235,018.60
5. Step 5: Solve for x
   x = 4,999,235,018.60/60,849.59
6. Step 6: Final answer
   x = 82,157.25