Finding the Fourth Proportional to 2,385,978.82, 3,578,968.24 and 869,775.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385,978.82 : 3,578,968.24 = 869,775.46 : x
2. Step 2: Convert to fraction form
   2,385,978.82/3,578,968.24 = 869,775.46/x
3. Step 3: Cross multiply
   2,385,978.82x = 3,578,968.24 × 869,775.46
4. Step 4: Simplify right side
   2,385,978.82x = 3,112,898,747,271.39
5. Step 5: Solve for x
   x = 3,112,898,747,271.39/2,385,978.82
6. Step 6: Final answer
   x = 1,304,663.19