Finding the Fourth Proportional to 1,061.55, 1,582.80 and 1,008.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.55 : 1,582.80 = 1,008.63 : x
2. Step 2: Convert to fraction form
   1,061.55/1,582.80 = 1,008.63/x
3. Step 3: Cross multiply
   1,061.55x = 1,582.80 × 1,008.63
4. Step 4: Simplify right side
   1,061.55x = 1,596,459.56
5. Step 5: Solve for x
   x = 1,596,459.56/1,061.55
6. Step 6: Final answer
   x = 1,503.89