Finding the Fourth Proportional to 12,944,834.27, 17,870,587.71 and 9,456,256.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,944,834.27 : 17,870,587.71 = 9,456,256.25 : x
2. Step 2: Convert to fraction form
   12,944,834.27/17,870,587.71 = 9,456,256.25/x
3. Step 3: Cross multiply
   12,944,834.27x = 17,870,587.71 × 9,456,256.25
4. Step 4: Simplify right side
   12,944,834.27x = 168,988,856,634,507.75
5. Step 5: Solve for x
   x = 168,988,856,634,507.75/12,944,834.27
6. Step 6: Final answer
   x = 13,054,539.99