Finding the Fourth Proportional to 8,478,958.72, 12,716,526.84 and 2,413,555.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,478,958.72 : 12,716,526.84 = 2,413,555.96 : x
2. Step 2: Convert to fraction form
   8,478,958.72/12,716,526.84 = 2,413,555.96/x
3. Step 3: Cross multiply
   8,478,958.72x = 12,716,526.84 × 2,413,555.96
4. Step 4: Simplify right side
   8,478,958.72x = 30,692,049,145,181.96
5. Step 5: Solve for x
   x = 30,692,049,145,181.96/8,478,958.72
6. Step 6: Final answer
   x = 3,619,789.90