Finding the Fourth Proportional to 1,641,870.52, 2,265,759.84 and 916,730.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,641,870.52 : 2,265,759.84 = 916,730.56 : x
2. Step 2: Convert to fraction form
   1,641,870.52/2,265,759.84 = 916,730.56/x
3. Step 3: Cross multiply
   1,641,870.52x = 2,265,759.84 × 916,730.56
4. Step 4: Simplify right side
   1,641,870.52x = 2,077,091,286,948.71
5. Step 5: Solve for x
   x = 2,077,091,286,948.71/1,641,870.52
6. Step 6: Final answer
   x = 1,265,076.18