Finding the Fourth Proportional to 2,557,055.28, 3,528,755.58 and 1,395,510.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557,055.28 : 3,528,755.58 = 1,395,510.42 : x
2. Step 2: Convert to fraction form
   2,557,055.28/3,528,755.58 = 1,395,510.42/x
3. Step 3: Cross multiply
   2,557,055.28x = 3,528,755.58 × 1,395,510.42
4. Step 4: Simplify right side
   2,557,055.28x = 4,924,415,181,523.14
5. Step 5: Solve for x
   x = 4,924,415,181,523.14/2,557,055.28
6. Step 6: Final answer
   x = 1,925,814.91