Finding the Fourth Proportional to 3,445,132.27, 5,167,698.33 and 1,423,428.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,445,132.27 : 5,167,698.33 = 1,423,428.55 : x
2. Step 2: Convert to fraction form
   3,445,132.27/5,167,698.33 = 1,423,428.55/x
3. Step 3: Cross multiply
   3,445,132.27x = 5,167,698.33 × 1,423,428.55
4. Step 4: Simplify right side
   3,445,132.27x = 7,355,849,314,870.83
5. Step 5: Solve for x
   x = 7,355,849,314,870.83/3,445,132.27
6. Step 6: Final answer
   x = 2,135,142.79