Finding the Fourth Proportional to 13,173,026.16, 18,170,340.72 and 10,565,786.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,173,026.16 : 18,170,340.72 = 10,565,786.24 : x
2. Step 2: Convert to fraction form
   13,173,026.16/18,170,340.72 = 10,565,786.24/x
3. Step 3: Cross multiply
   13,173,026.16x = 18,170,340.72 × 10,565,786.24
4. Step 4: Simplify right side
   13,173,026.16x = 191,983,935,955,487.69
5. Step 5: Solve for x
   x = 191,983,935,955,487.69/13,173,026.16
6. Step 6: Final answer
   x = 14,574,019.18