Finding the Fourth Proportional to 2,520,718.56, 3,783,261.60 and 1,323,486.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520,718.56 : 3,783,261.60 = 1,323,486.72 : x
2. Step 2: Convert to fraction form
   2,520,718.56/3,783,261.60 = 1,323,486.72/x
3. Step 3: Cross multiply
   2,520,718.56x = 3,783,261.60 × 1,323,486.72
4. Step 4: Simplify right side
   2,520,718.56x = 5,007,096,485,885.95
5. Step 5: Solve for x
   x = 5,007,096,485,885.95/2,520,718.56
6. Step 6: Final answer
   x = 1,986,376.65