Finding the Fourth Proportional to 12,427,627.50, 18,642,105.55 and 3,908,628.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,427,627.50 : 18,642,105.55 = 3,908,628.27 : x
2. Step 2: Convert to fraction form
   12,427,627.50/18,642,105.55 = 3,908,628.27/x
3. Step 3: Cross multiply
   12,427,627.50x = 18,642,105.55 × 3,908,628.27
4. Step 4: Simplify right side
   12,427,627.50x = 72,865,060,769,939.69
5. Step 5: Solve for x
   x = 72,865,060,769,939.69/12,427,627.50
6. Step 6: Final answer
   x = 5,863,151.34