Finding the Fourth Proportional to 3,877,478.72, 5,349,082.56 and 2,732,189.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,877,478.72 : 5,349,082.56 = 2,732,189.12 : x
2. Step 2: Convert to fraction form
   3,877,478.72/5,349,082.56 = 2,732,189.12/x
3. Step 3: Cross multiply
   3,877,478.72x = 5,349,082.56 × 2,732,189.12
4. Step 4: Simplify right side
   3,877,478.72x = 14,614,705,172,413.75
5. Step 5: Solve for x
   x = 14,614,705,172,413.75/3,877,478.72
6. Step 6: Final answer
   x = 3,769,125.82