Finding the Fourth Proportional to 2,250,045.41, 3,105,070.89 and 1,217,553.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250,045.41 : 3,105,070.89 = 1,217,553.20 : x
2. Step 2: Convert to fraction form
   2,250,045.41/3,105,070.89 = 1,217,553.20/x
3. Step 3: Cross multiply
   2,250,045.41x = 3,105,070.89 × 1,217,553.20
4. Step 4: Simplify right side
   2,250,045.41x = 3,780,588,995,978.09
5. Step 5: Solve for x
   x = 3,780,588,995,978.09/2,250,045.41
6. Step 6: Final answer
   x = 1,680,227.87