Finding the Fourth Proportional to 1,168,758.82, 1,612,912.35 and 645,467.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168,758.82 : 1,612,912.35 = 645,467.82 : x
2. Step 2: Convert to fraction form
   1,168,758.82/1,612,912.35 = 645,467.82/x
3. Step 3: Cross multiply
   1,168,758.82x = 1,612,912.35 × 645,467.82
4. Step 4: Simplify right side
   1,168,758.82x = 1,041,083,018,405.58
5. Step 5: Solve for x
   x = 1,041,083,018,405.58/1,168,758.82
6. Step 6: Final answer
   x = 890,759.50