Finding the Fourth Proportional to 1,018,112.15, 1,404,956.27 and 565,432.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,112.15 : 1,404,956.27 = 565,432.31 : x
2. Step 2: Convert to fraction form
   1,018,112.15/1,404,956.27 = 565,432.31/x
3. Step 3: Cross multiply
   1,018,112.15x = 1,404,956.27 × 565,432.31
4. Step 4: Simplify right side
   1,018,112.15x = 794,407,662,170.30
5. Step 5: Solve for x
   x = 794,407,662,170.30/1,018,112.15
6. Step 6: Final answer
   x = 780,275.20