Finding the Fourth Proportional to 1,528,876.83, 2,109,851.37 and 840,560.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,876.83 : 2,109,851.37 = 840,560.38 : x
2. Step 2: Convert to fraction form
   1,528,876.83/2,109,851.37 = 840,560.38/x
3. Step 3: Cross multiply
   1,528,876.83x = 2,109,851.37 × 840,560.38
4. Step 4: Simplify right side
   1,528,876.83x = 1,773,457,469,310.72
5. Step 5: Solve for x
   x = 1,773,457,469,310.72/1,528,876.83
6. Step 6: Final answer
   x = 1,159,974.06