Finding the Fourth Proportional to 12,803,904.28, 17,669,139.42 and 7,002,667.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,803,904.28 : 17,669,139.42 = 7,002,667.48 : x
2. Step 2: Convert to fraction form
   12,803,904.28/17,669,139.42 = 7,002,667.48/x
3. Step 3: Cross multiply
   12,803,904.28x = 17,669,139.42 × 7,002,667.48
4. Step 4: Simplify right side
   12,803,904.28x = 123,731,108,016,020.08
5. Step 5: Solve for x
   x = 123,731,108,016,020.08/12,803,904.28
6. Step 6: Final answer
   x = 9,663,545.22