Finding the Fourth Proportional to 1,978,147.68, 2,967,590.52 and 898,735.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,147.68 : 2,967,590.52 = 898,735.92 : x
2. Step 2: Convert to fraction form
   1,978,147.68/2,967,590.52 = 898,735.92/x
3. Step 3: Cross multiply
   1,978,147.68x = 2,967,590.52 × 898,735.92
4. Step 4: Simplify right side
   1,978,147.68x = 2,667,080,196,175.48
5. Step 5: Solve for x
   x = 2,667,080,196,175.48/1,978,147.68
6. Step 6: Final answer
   x = 1,348,271.53