Finding the Fourth Proportional to 1,053,443.75, 1,453,747.70 and 570,017.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053,443.75 : 1,453,747.70 = 570,017.45 : x
2. Step 2: Convert to fraction form
   1,053,443.75/1,453,747.70 = 570,017.45/x
3. Step 3: Cross multiply
   1,053,443.75x = 1,453,747.70 × 570,017.45
4. Step 4: Simplify right side
   1,053,443.75x = 828,661,561,956.78
5. Step 5: Solve for x
   x = 828,661,561,956.78/1,053,443.75
6. Step 6: Final answer
   x = 786,621.56