Finding the Fourth Proportional to 12,932.04, 19,397.98 and 5,146.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,932.04 : 19,397.98 = 5,146.28 : x
2. Step 2: Convert to fraction form
   12,932.04/19,397.98 = 5,146.28/x
3. Step 3: Cross multiply
   12,932.04x = 19,397.98 × 5,146.28
4. Step 4: Simplify right side
   12,932.04x = 99,827,436.51
5. Step 5: Solve for x
   x = 99,827,436.51/12,932.04
6. Step 6: Final answer
   x = 7,719.39