Finding the Fourth Proportional to 2,573,637.32, 3,552,045.26 and 1,428,086.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573,637.32 : 3,552,045.26 = 1,428,086.72 : x
2. Step 2: Convert to fraction form
   2,573,637.32/3,552,045.26 = 1,428,086.72/x
3. Step 3: Cross multiply
   2,573,637.32x = 3,552,045.26 × 1,428,086.72
4. Step 4: Simplify right side
   2,573,637.32x = 5,072,628,664,644.95
5. Step 5: Solve for x
   x = 5,072,628,664,644.95/2,573,637.32
6. Step 6: Final answer
   x = 1,970,995.92