Finding the Fourth Proportional to 12,925.39, 17,836.56 and 7,898.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,925.39 : 17,836.56 = 7,898.02 : x
2. Step 2: Convert to fraction form
   12,925.39/17,836.56 = 7,898.02/x
3. Step 3: Cross multiply
   12,925.39x = 17,836.56 × 7,898.02
4. Step 4: Simplify right side
   12,925.39x = 140,873,527.36
5. Step 5: Solve for x
   x = 140,873,527.36/12,925.39
6. Step 6: Final answer
   x = 10,898.98