Finding the Fourth Proportional to 2,175,540.29, 3,002,069.58 and 1,257,828.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,540.29 : 3,002,069.58 = 1,257,828.31 : x
2. Step 2: Convert to fraction form
   2,175,540.29/3,002,069.58 = 1,257,828.31/x
3. Step 3: Cross multiply
   2,175,540.29x = 3,002,069.58 × 1,257,828.31
4. Step 4: Simplify right side
   2,175,540.29x = 3,776,088,098,808.64
5. Step 5: Solve for x
   x = 3,776,088,098,808.64/2,175,540.29
6. Step 6: Final answer
   x = 1,735,701.30