Finding the Fourth Proportional to 1,300,644.16, 1,794,282.72 and 841,906.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300,644.16 : 1,794,282.72 = 841,906.72 : x
2. Step 2: Convert to fraction form
   1,300,644.16/1,794,282.72 = 841,906.72/x
3. Step 3: Cross multiply
   1,300,644.16x = 1,794,282.72 × 841,906.72
4. Step 4: Simplify right side
   1,300,644.16x = 1,510,618,679,547.88
5. Step 5: Solve for x
   x = 1,510,618,679,547.88/1,300,644.16
6. Step 6: Final answer
   x = 1,161,438.87