Finding the Fourth Proportional to 10,319,019.68, 15,478,878.90 and 2,745,992.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,319,019.68 : 15,478,878.90 = 2,745,992.72 : x
2. Step 2: Convert to fraction form
   10,319,019.68/15,478,878.90 = 2,745,992.72/x
3. Step 3: Cross multiply
   10,319,019.68x = 15,478,878.90 × 2,745,992.72
4. Step 4: Simplify right side
   10,319,019.68x = 42,504,888,773,161.61
5. Step 5: Solve for x
   x = 42,504,888,773,161.61/10,319,019.68
6. Step 6: Final answer
   x = 4,119,082.05