Finding the Fourth Proportional to 1,018,113.15, 1,404,957.65 and 565,433.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,113.15 : 1,404,957.65 = 565,433.31 : x
2. Step 2: Convert to fraction form
   1,018,113.15/1,404,957.65 = 565,433.31/x
3. Step 3: Cross multiply
   1,018,113.15x = 1,404,957.65 × 565,433.31
4. Step 4: Simplify right side
   1,018,113.15x = 794,409,854,449.32
5. Step 5: Solve for x
   x = 794,409,854,449.32/1,018,113.15
6. Step 6: Final answer
   x = 780,276.59