Finding the Fourth Proportional to 2,575,066.48, 3,553,426.20 and 1,429,147.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575,066.48 : 3,553,426.20 = 1,429,147.60 : x
2. Step 2: Convert to fraction form
   2,575,066.48/3,553,426.20 = 1,429,147.60/x
3. Step 3: Cross multiply
   2,575,066.48x = 3,553,426.20 × 1,429,147.60
4. Step 4: Simplify right side
   2,575,066.48x = 5,078,370,525,507.12
5. Step 5: Solve for x
   x = 5,078,370,525,507.12/2,575,066.48
6. Step 6: Final answer
   x = 1,972,131.81