Finding the Fourth Proportional to 2,238,637.47, 3,089,330.10 and 1,271,820.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238,637.47 : 3,089,330.10 = 1,271,820.80 : x
2. Step 2: Convert to fraction form
   2,238,637.47/3,089,330.10 = 1,271,820.80/x
3. Step 3: Cross multiply
   2,238,637.47x = 3,089,330.10 × 1,271,820.80
4. Step 4: Simplify right side
   2,238,637.47x = 3,929,074,263,799.43
5. Step 5: Solve for x
   x = 3,929,074,263,799.43/2,238,637.47
6. Step 6: Final answer
   x = 1,755,118.60