Finding the Fourth Proportional to 1,870,380, 2,806,036.56 and 540,684

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,380 : 2,806,036.56 = 540,684 : x
2. Step 2: Convert to fraction form
   1,870,380/2,806,036.56 = 540,684/x
3. Step 3: Cross multiply
   1,870,380x = 2,806,036.56 × 540,684
4. Step 4: Simplify right side
   1,870,380x = 1,517,179,071,407.04
5. Step 5: Solve for x
   x = 1,517,179,071,407.04/1,870,380
6. Step 6: Final answer
   x = 811,160.87