Finding the Fourth Proportional to 2,347.32, 3,238.20 and 1,561.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,347.32 : 3,238.20 = 1,561.62 : x
2. Step 2: Convert to fraction form
   2,347.32/3,238.20 = 1,561.62/x
3. Step 3: Cross multiply
   2,347.32x = 3,238.20 × 1,561.62
4. Step 4: Simplify right side
   2,347.32x = 5,056,837.88
5. Step 5: Solve for x
   x = 5,056,837.88/2,347.32
6. Step 6: Final answer
   x = 2,154.30