Finding the Fourth Proportional to 12,660,279.31, 17,471,202.72 and 6,859,061.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,660,279.31 : 17,471,202.72 = 6,859,061.32 : x
2. Step 2: Convert to fraction form
   12,660,279.31/17,471,202.72 = 6,859,061.32/x
3. Step 3: Cross multiply
   12,660,279.31x = 17,471,202.72 × 6,859,061.32
4. Step 4: Simplify right side
   12,660,279.31x = 119,836,050,790,630.78
5. Step 5: Solve for x
   x = 119,836,050,790,630.78/12,660,279.31
6. Step 6: Final answer
   x = 9,465,513.98