Finding the Fourth Proportional to 25,946.57, 35,807.15 and 15,345.29

Step by Step Solution

1. Step 1: Write the proportion equation
   25,946.57 : 35,807.15 = 15,345.29 : x
2. Step 2: Convert to fraction form
   25,946.57/35,807.15 = 15,345.29/x
3. Step 3: Cross multiply
   25,946.57x = 35,807.15 × 15,345.29
4. Step 4: Simplify right side
   25,946.57x = 549,471,100.82
5. Step 5: Solve for x
   x = 549,471,100.82/25,946.57
6. Step 6: Final answer
   x = 21,177.02