Finding the Fourth Proportional to 3,978,126.59, 5,964,532.25 and 1,244,748.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978,126.59 : 5,964,532.25 = 1,244,748.38 : x
2. Step 2: Convert to fraction form
   3,978,126.59/5,964,532.25 = 1,244,748.38/x
3. Step 3: Cross multiply
   3,978,126.59x = 5,964,532.25 × 1,244,748.38
4. Step 4: Simplify right side
   3,978,126.59x = 7,424,341,819,598.85
5. Step 5: Solve for x
   x = 7,424,341,819,598.85/3,978,126.59
6. Step 6: Final answer
   x = 1,866,290.99