Finding the Fourth Proportional to 12,803,979.91, 17,669,952.20 and 7,298,185.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,803,979.91 : 17,669,952.20 = 7,298,185.54 : x
2. Step 2: Convert to fraction form
   12,803,979.91/17,669,952.20 = 7,298,185.54/x
3. Step 3: Cross multiply
   12,803,979.91x = 17,669,952.20 × 7,298,185.54
4. Step 4: Simplify right side
   12,803,979.91x = 128,958,589,513,690.50
5. Step 5: Solve for x
   x = 128,958,589,513,690.50/12,803,979.91
6. Step 6: Final answer
   x = 10,071,758.19