Finding the Fourth Proportional to 2,526,086.89, 3,485,959.23 and 1,380,142.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,526,086.89 : 3,485,959.23 = 1,380,142.63 : x
2. Step 2: Convert to fraction form
   2,526,086.89/3,485,959.23 = 1,380,142.63/x
3. Step 3: Cross multiply
   2,526,086.89x = 3,485,959.23 × 1,380,142.63
4. Step 4: Simplify right side
   2,526,086.89x = 4,811,120,939,764.97
5. Step 5: Solve for x
   x = 4,811,120,939,764.97/2,526,086.89
6. Step 6: Final answer
   x = 1,904,574.60