Finding the Fourth Proportional to 25,206.91, 34,784.89 and 13,875.98

Step by Step Solution

1. Step 1: Write the proportion equation
   25,206.91 : 34,784.89 = 13,875.98 : x
2. Step 2: Convert to fraction form
   25,206.91/34,784.89 = 13,875.98/x
3. Step 3: Cross multiply
   25,206.91x = 34,784.89 × 13,875.98
4. Step 4: Simplify right side
   25,206.91x = 482,674,307.38
5. Step 5: Solve for x
   x = 482,674,307.38/25,206.91
6. Step 6: Final answer
   x = 19,148.49