Finding the Fourth Proportional to 12,538,498.86, 17,305,019.76 and 7,646,558.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,538,498.86 : 17,305,019.76 = 7,646,558.71 : x
2. Step 2: Convert to fraction form
   12,538,498.86/17,305,019.76 = 7,646,558.71/x
3. Step 3: Cross multiply
   12,538,498.86x = 17,305,019.76 × 7,646,558.71
4. Step 4: Simplify right side
   12,538,498.86x = 132,323,849,572,550.12
5. Step 5: Solve for x
   x = 132,323,849,572,550.12/12,538,498.86
6. Step 6: Final answer
   x = 10,553,404.44