Finding the Fourth Proportional to 2,020,531.31, 2,787,458.55 and 1,235,631.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,531.31 : 2,787,458.55 = 1,235,631.69 : x
2. Step 2: Convert to fraction form
   2,020,531.31/2,787,458.55 = 1,235,631.69/x
3. Step 3: Cross multiply
   2,020,531.31x = 2,787,458.55 × 1,235,631.69
4. Step 4: Simplify right side
   2,020,531.31x = 3,444,272,114,307.83
5. Step 5: Solve for x
   x = 3,444,272,114,307.83/2,020,531.31
6. Step 6: Final answer
   x = 1,704,636.85