Finding the Fourth Proportional to 2,885.50, 4,330.17 and 1,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,885.50 : 4,330.17 = 1,061.50 : x
2. Step 2: Convert to fraction form
   2,885.50/4,330.17 = 1,061.50/x
3. Step 3: Cross multiply
   2,885.50x = 4,330.17 × 1,061.50
4. Step 4: Simplify right side
   2,885.50x = 4,596,475.46
5. Step 5: Solve for x
   x = 4,596,475.46/2,885.50
6. Step 6: Final answer
   x = 1,592.96