Finding the Fourth Proportional to 3,638,559.28, 5,021,123.82 and 2,006,931.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,638,559.28 : 5,021,123.82 = 2,006,931.60 : x
2. Step 2: Convert to fraction form
   3,638,559.28/5,021,123.82 = 2,006,931.60/x
3. Step 3: Cross multiply
   3,638,559.28x = 5,021,123.82 × 2,006,931.60
4. Step 4: Simplify right side
   3,638,559.28x = 10,077,052,061,870.71
5. Step 5: Solve for x
   x = 10,077,052,061,870.71/3,638,559.28
6. Step 6: Final answer
   x = 2,769,517.08