Finding the Fourth Proportional to 2,574,065.18, 3,552,210.40 and 1,428,142.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574,065.18 : 3,552,210.40 = 1,428,142.79 : x
2. Step 2: Convert to fraction form
   2,574,065.18/3,552,210.40 = 1,428,142.79/x
3. Step 3: Cross multiply
   2,574,065.18x = 3,552,210.40 × 1,428,142.79
4. Step 4: Simplify right side
   2,574,065.18x = 5,073,063,653,561.96
5. Step 5: Solve for x
   x = 5,073,063,653,561.96/2,574,065.18
6. Step 6: Final answer
   x = 1,970,837.30