Finding the Fourth Proportional to 12,803.79, 19,192.49 and 4,904.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,803.79 : 19,192.49 = 4,904.15 : x
2. Step 2: Convert to fraction form
   12,803.79/19,192.49 = 4,904.15/x
3. Step 3: Cross multiply
   12,803.79x = 19,192.49 × 4,904.15
4. Step 4: Simplify right side
   12,803.79x = 94,122,849.83
5. Step 5: Solve for x
   x = 94,122,849.83/12,803.79
6. Step 6: Final answer
   x = 7,351.17