Finding the Fourth Proportional to 2,666,817.71, 3,680,218.13 and 1,443,123.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,817.71 : 3,680,218.13 = 1,443,123.12 : x
2. Step 2: Convert to fraction form
   2,666,817.71/3,680,218.13 = 1,443,123.12/x
3. Step 3: Cross multiply
   2,666,817.71x = 3,680,218.13 × 1,443,123.12
4. Step 4: Simplify right side
   2,666,817.71x = 5,311,007,862,830.55
5. Step 5: Solve for x
   x = 5,311,007,862,830.55/2,666,817.71
6. Step 6: Final answer
   x = 1,991,515.15