Finding the Fourth Proportional to 2,652,915.38, 3,980,214.18 and 947,022.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,652,915.38 : 3,980,214.18 = 947,022.12 : x
2. Step 2: Convert to fraction form
   2,652,915.38/3,980,214.18 = 947,022.12/x
3. Step 3: Cross multiply
   2,652,915.38x = 3,980,214.18 × 947,022.12
4. Step 4: Simplify right side
   2,652,915.38x = 3,769,350,870,797.66
5. Step 5: Solve for x
   x = 3,769,350,870,797.66/2,652,915.38
6. Step 6: Final answer
   x = 1,420,833.44