Finding the Fourth Proportional to 17,031.78, 25,551.98 and 5,345.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,031.78 : 25,551.98 = 5,345.10 : x
2. Step 2: Convert to fraction form
   17,031.78/25,551.98 = 5,345.10/x
3. Step 3: Cross multiply
   17,031.78x = 25,551.98 × 5,345.10
4. Step 4: Simplify right side
   17,031.78x = 136,577,888.30
5. Step 5: Solve for x
   x = 136,577,888.30/17,031.78
6. Step 6: Final answer
   x = 8,019.00