Finding the Fourth Proportional to 1,872,915.94, 2,584,628.49 and 1,013,485.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,872,915.94 : 2,584,628.49 = 1,013,485.42 : x
2. Step 2: Convert to fraction form
   1,872,915.94/2,584,628.49 = 1,013,485.42/x
3. Step 3: Cross multiply
   1,872,915.94x = 2,584,628.49 × 1,013,485.42
4. Step 4: Simplify right side
   1,872,915.94x = 2,619,483,290,731.62
5. Step 5: Solve for x
   x = 2,619,483,290,731.62/1,872,915.94
6. Step 6: Final answer
   x = 1,398,612.31