Finding the Fourth Proportional to 2,300,606.40, 3,174,840 and 1,281,988.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300,606.40 : 3,174,840 = 1,281,988.80 : x
2. Step 2: Convert to fraction form
   2,300,606.40/3,174,840 = 1,281,988.80/x
3. Step 3: Cross multiply
   2,300,606.40x = 3,174,840 × 1,281,988.80
4. Step 4: Simplify right side
   2,300,606.40x = 4,070,109,321,792
5. Step 5: Solve for x
   x = 4,070,109,321,792/2,300,606.40
6. Step 6: Final answer
   x = 1,769,146.31