Finding the Fourth Proportional to 2,128,287.56, 2,937,132.50 and 1,198,315.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,287.56 : 2,937,132.50 = 1,198,315.52 : x
2. Step 2: Convert to fraction form
   2,128,287.56/2,937,132.50 = 1,198,315.52/x
3. Step 3: Cross multiply
   2,128,287.56x = 2,937,132.50 × 1,198,315.52
4. Step 4: Simplify right side
   2,128,287.56x = 3,519,611,449,383.41
5. Step 5: Solve for x
   x = 3,519,611,449,383.41/2,128,287.56
6. Step 6: Final answer
   x = 1,653,729.28