Finding the Fourth Proportional to 2,503,464.31, 3,755,870.52 and 1,288,378.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503,464.31 : 3,755,870.52 = 1,288,378.99 : x
2. Step 2: Convert to fraction form
   2,503,464.31/3,755,870.52 = 1,288,378.99/x
3. Step 3: Cross multiply
   2,503,464.31x = 3,755,870.52 × 1,288,378.99
4. Step 4: Simplify right side
   2,503,464.31x = 4,838,984,667,128.38
5. Step 5: Solve for x
   x = 4,838,984,667,128.38/2,503,464.31
6. Step 6: Final answer
   x = 1,932,915.38