Finding the Fourth Proportional to 17,070.17, 25,588.71 and 8,300.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,070.17 : 25,588.71 = 8,300.30 : x
2. Step 2: Convert to fraction form
   17,070.17/25,588.71 = 8,300.30/x
3. Step 3: Cross multiply
   17,070.17x = 25,588.71 × 8,300.30
4. Step 4: Simplify right side
   17,070.17x = 212,393,841.67
5. Step 5: Solve for x
   x = 212,393,841.67/17,070.17
6. Step 6: Final answer
   x = 12,442.40