Finding the Fourth Proportional to 1,375,828, 1,898,817.72 and 831,967.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375,828 : 1,898,817.72 = 831,967.72 : x
2. Step 2: Convert to fraction form
   1,375,828/1,898,817.72 = 831,967.72/x
3. Step 3: Cross multiply
   1,375,828x = 1,898,817.72 × 831,967.72
4. Step 4: Simplify right side
   1,375,828x = 1,579,755,049,204.00
5. Step 5: Solve for x
   x = 1,579,755,049,204.00/1,375,828
6. Step 6: Final answer
   x = 1,148,221.33