Finding the Fourth Proportional to 2,196,996.80, 3,292,870.80 and 1,131,490.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196,996.80 : 3,292,870.80 = 1,131,490.40 : x
2. Step 2: Convert to fraction form
   2,196,996.80/3,292,870.80 = 1,131,490.40/x
3. Step 3: Cross multiply
   2,196,996.80x = 3,292,870.80 × 1,131,490.40
4. Step 4: Simplify right side
   2,196,996.80x = 3,725,851,698,640.32
5. Step 5: Solve for x
   x = 3,725,851,698,640.32/2,196,996.80
6. Step 6: Final answer
   x = 1,695,883.99