Finding the Fourth Proportional to 2,437,231.46, 3,656,013.12 and 640,111.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,437,231.46 : 3,656,013.12 = 640,111.80 : x
2. Step 2: Convert to fraction form
   2,437,231.46/3,656,013.12 = 640,111.80/x
3. Step 3: Cross multiply
   2,437,231.46x = 3,656,013.12 × 640,111.80
4. Step 4: Simplify right side
   2,437,231.46x = 2,340,257,139,066.82
5. Step 5: Solve for x
   x = 2,340,257,139,066.82/2,437,231.46
6. Step 6: Final answer
   x = 960,211.28