Finding the Fourth Proportional to 3,402.05, 5,102.57 and 1,061.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,402.05 : 5,102.57 = 1,061.51 : x
2. Step 2: Convert to fraction form
   3,402.05/5,102.57 = 1,061.51/x
3. Step 3: Cross multiply
   3,402.05x = 5,102.57 × 1,061.51
4. Step 4: Simplify right side
   3,402.05x = 5,416,406.22
5. Step 5: Solve for x
   x = 5,416,406.22/3,402.05
6. Step 6: Final answer
   x = 1,592.10