Finding the Fourth Proportional to 12,925.61, 17,837.52 and 12,478.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,925.61 : 17,837.52 = 12,478.59 : x
2. Step 2: Convert to fraction form
   12,925.61/17,837.52 = 12,478.59/x
3. Step 3: Cross multiply
   12,925.61x = 17,837.52 × 12,478.59
4. Step 4: Simplify right side
   12,925.61x = 222,587,036.30
5. Step 5: Solve for x
   x = 222,587,036.30/12,925.61
6. Step 6: Final answer
   x = 17,220.62