Finding the Fourth Proportional to 2,142,760.06, 2,957,044.80 and 1,175,980.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,760.06 : 2,957,044.80 = 1,175,980.30 : x
2. Step 2: Convert to fraction form
   2,142,760.06/2,957,044.80 = 1,175,980.30/x
3. Step 3: Cross multiply
   2,142,760.06x = 2,957,044.80 × 1,175,980.30
4. Step 4: Simplify right side
   2,142,760.06x = 3,477,426,431,017.44
5. Step 5: Solve for x
   x = 3,477,426,431,017.44/2,142,760.06
6. Step 6: Final answer
   x = 1,622,872.53