Finding the Fourth Proportional to 1,040,631.72, 1,559,705.10 and 535,434.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040,631.72 : 1,559,705.10 = 535,434.72 : x
2. Step 2: Convert to fraction form
   1,040,631.72/1,559,705.10 = 535,434.72/x
3. Step 3: Cross multiply
   1,040,631.72x = 1,559,705.10 × 535,434.72
4. Step 4: Simplify right side
   1,040,631.72x = 835,120,263,501.07
5. Step 5: Solve for x
   x = 835,120,263,501.07/1,040,631.72
6. Step 6: Final answer
   x = 802,512.79