Finding the Fourth Proportional to 12,925.02, 19,390.50 and 3,691.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,925.02 : 19,390.50 = 3,691.02 : x
2. Step 2: Convert to fraction form
   12,925.02/19,390.50 = 3,691.02/x
3. Step 3: Cross multiply
   12,925.02x = 19,390.50 × 3,691.02
4. Step 4: Simplify right side
   12,925.02x = 71,570,723.31
5. Step 5: Solve for x
   x = 71,570,723.31/12,925.02
6. Step 6: Final answer
   x = 5,537.38