Finding the Fourth Proportional to 2,602,618.78, 3,591,658.32 and 1,425,321.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602,618.78 : 3,591,658.32 = 1,425,321.15 : x
2. Step 2: Convert to fraction form
   2,602,618.78/3,591,658.32 = 1,425,321.15/x
3. Step 3: Cross multiply
   2,602,618.78x = 3,591,658.32 × 1,425,321.15
4. Step 4: Simplify right side
   2,602,618.78x = 5,119,266,567,069.47
5. Step 5: Solve for x
   x = 5,119,266,567,069.47/2,602,618.78
6. Step 6: Final answer
   x = 1,966,967.50