Finding the Fourth Proportional to 1,543,016.34, 2,128,870.48 and 999,568.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,543,016.34 : 2,128,870.48 = 999,568.71 : x
2. Step 2: Convert to fraction form
   1,543,016.34/2,128,870.48 = 999,568.71/x
3. Step 3: Cross multiply
   1,543,016.34x = 2,128,870.48 × 999,568.71
4. Step 4: Simplify right side
   1,543,016.34x = 2,127,952,326,809.22
5. Step 5: Solve for x
   x = 2,127,952,326,809.22/1,543,016.34
6. Step 6: Final answer
   x = 1,379,086.06