Finding the Fourth Proportional to 12,973,348.38, 17,900,250.56 and 7,745,339.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,973,348.38 : 17,900,250.56 = 7,745,339.06 : x
2. Step 2: Convert to fraction form
   12,973,348.38/17,900,250.56 = 7,745,339.06/x
3. Step 3: Cross multiply
   12,973,348.38x = 17,900,250.56 × 7,745,339.06
4. Step 4: Simplify right side
   12,973,348.38x = 138,643,509,846,154.86
5. Step 5: Solve for x
   x = 138,643,509,846,154.86/12,973,348.38
6. Step 6: Final answer
   x = 10,686,794.63