Finding the Fourth Proportional to 12,925.80, 19,391.58 and 7,080.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,925.80 : 19,391.58 = 7,080.84 : x
2. Step 2: Convert to fraction form
   12,925.80/19,391.58 = 7,080.84/x
3. Step 3: Cross multiply
   12,925.80x = 19,391.58 × 7,080.84
4. Step 4: Simplify right side
   12,925.80x = 137,308,675.33
5. Step 5: Solve for x
   x = 137,308,675.33/12,925.80
6. Step 6: Final answer
   x = 10,622.84