Finding the Fourth Proportional to 2,663,567.55, 3,995,388.18 and 866,460.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663,567.55 : 3,995,388.18 = 866,460.42 : x
2. Step 2: Convert to fraction form
   2,663,567.55/3,995,388.18 = 866,460.42/x
3. Step 3: Cross multiply
   2,663,567.55x = 3,995,388.18 × 866,460.42
4. Step 4: Simplify right side
   2,663,567.55x = 3,461,845,720,505.84
5. Step 5: Solve for x
   x = 3,461,845,720,505.84/2,663,567.55
6. Step 6: Final answer
   x = 1,299,702.62