Finding the Fourth Proportional to 1,543,016.25, 2,128,870.35 and 999,568.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,543,016.25 : 2,128,870.35 = 999,568.62 : x
2. Step 2: Convert to fraction form
   1,543,016.25/2,128,870.35 = 999,568.62/x
3. Step 3: Cross multiply
   1,543,016.25x = 2,128,870.35 × 999,568.62
4. Step 4: Simplify right side
   1,543,016.25x = 2,127,951,997,908.42
5. Step 5: Solve for x
   x = 2,127,951,997,908.42/1,543,016.25
6. Step 6: Final answer
   x = 1,379,085.93