Finding the Fourth Proportional to 12,215,348, 18,323,011.58 and 3,117,444.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,215,348 : 18,323,011.58 = 3,117,444.86 : x
2. Step 2: Convert to fraction form
   12,215,348/18,323,011.58 = 3,117,444.86/x
3. Step 3: Cross multiply
   12,215,348x = 18,323,011.58 × 3,117,444.86
4. Step 4: Simplify right side
   12,215,348x = 57,120,978,269,791.47
5. Step 5: Solve for x
   x = 57,120,978,269,791.47/12,215,348
6. Step 6: Final answer
   x = 4,676,164.63