Finding the Fourth Proportional to 1,531,131, 2,112,960.78 and 852,068.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,531,131 : 2,112,960.78 = 852,068.04 : x
2. Step 2: Convert to fraction form
   1,531,131/2,112,960.78 = 852,068.04/x
3. Step 3: Cross multiply
   1,531,131x = 2,112,960.78 × 852,068.04
4. Step 4: Simplify right side
   1,531,131x = 1,800,386,350,411.47
5. Step 5: Solve for x
   x = 1,800,386,350,411.47/1,531,131
6. Step 6: Final answer
   x = 1,175,853.90