Finding the Fourth Proportional to 2,238,839.42, 3,089,599.55 and 1,271,971.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238,839.42 : 3,089,599.55 = 1,271,971.40 : x
2. Step 2: Convert to fraction form
   2,238,839.42/3,089,599.55 = 1,271,971.40/x
3. Step 3: Cross multiply
   2,238,839.42x = 3,089,599.55 × 1,271,971.40
4. Step 4: Simplify right side
   2,238,839.42x = 3,929,882,243,245.02
5. Step 5: Solve for x
   x = 3,929,882,243,245.02/2,238,839.42
6. Step 6: Final answer
   x = 1,755,321.18