Finding the Fourth Proportional to 3,402.38, 5,102.18 and 1,061.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,402.38 : 5,102.18 = 1,061.60 : x
2. Step 2: Convert to fraction form
   3,402.38/5,102.18 = 1,061.60/x
3. Step 3: Cross multiply
   3,402.38x = 5,102.18 × 1,061.60
4. Step 4: Simplify right side
   3,402.38x = 5,416,448.78
5. Step 5: Solve for x
   x = 5,416,448.78/3,402.38
6. Step 6: Final answer
   x = 1,591.96