Finding the Fourth Proportional to 8,817,768.72, 12,167,680.56 and 4,949,403.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,817,768.72 : 12,167,680.56 = 4,949,403.12 : x
2. Step 2: Convert to fraction form
   8,817,768.72/12,167,680.56 = 4,949,403.12/x
3. Step 3: Cross multiply
   8,817,768.72x = 12,167,680.56 × 4,949,403.12
4. Step 4: Simplify right side
   8,817,768.72x = 60,222,756,126,827.35
5. Step 5: Solve for x
   x = 60,222,756,126,827.35/8,817,768.72
6. Step 6: Final answer
   x = 6,829,704.66