Finding the Fourth Proportional to 1,061.86, 1,593.15 and 548.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.86 : 1,593.15 = 548.50 : x
2. Step 2: Convert to fraction form
   1,061.86/1,593.15 = 548.50/x
3. Step 3: Cross multiply
   1,061.86x = 1,593.15 × 548.50
4. Step 4: Simplify right side
   1,061.86x = 873,842.78
5. Step 5: Solve for x
   x = 873,842.78/1,061.86
6. Step 6: Final answer
   x = 822.94