Finding the Fourth Proportional to 8,278,908.10, 12,394,742.55 and 7,334,124.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,278,908.10 : 12,394,742.55 = 7,334,124.10 : x
2. Step 2: Convert to fraction form
   8,278,908.10/12,394,742.55 = 7,334,124.10/x
3. Step 3: Cross multiply
   8,278,908.10x = 12,394,742.55 × 7,334,124.10
4. Step 4: Simplify right side
   8,278,908.10x = 90,904,580,049,250.45
5. Step 5: Solve for x
   x = 90,904,580,049,250.45/8,278,908.10
6. Step 6: Final answer
   x = 10,980,262.00