Finding the Fourth Proportional to 12,806,842.15, 17,673,863.71 and 7,005,491.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,806,842.15 : 17,673,863.71 = 7,005,491.13 : x
2. Step 2: Convert to fraction form
   12,806,842.15/17,673,863.71 = 7,005,491.13/x
3. Step 3: Cross multiply
   12,806,842.15x = 17,673,863.71 × 7,005,491.13
4. Step 4: Simplify right side
   12,806,842.15x = 123,814,095,453,233.89
5. Step 5: Solve for x
   x = 123,814,095,453,233.89/12,806,842.15
6. Step 6: Final answer
   x = 9,667,808.35