Finding the Fourth Proportional to 1,872,014.72, 2,583,380.88 and 1,056,391.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,872,014.72 : 2,583,380.88 = 1,056,391.76 : x
2. Step 2: Convert to fraction form
   1,872,014.72/2,583,380.88 = 1,056,391.76/x
3. Step 3: Cross multiply
   1,872,014.72x = 2,583,380.88 × 1,056,391.76
4. Step 4: Simplify right side
   1,872,014.72x = 2,729,062,274,573.55
5. Step 5: Solve for x
   x = 2,729,062,274,573.55/1,872,014.72
6. Step 6: Final answer
   x = 1,457,820.95