Finding the Fourth Proportional to 8,978,760.38, 12,390,995.51 and 4,904,641.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,978,760.38 : 12,390,995.51 = 4,904,641.82 : x
2. Step 2: Convert to fraction form
   8,978,760.38/12,390,995.51 = 4,904,641.82/x
3. Step 3: Cross multiply
   8,978,760.38x = 12,390,995.51 × 4,904,641.82
4. Step 4: Simplify right side
   8,978,760.38x = 60,773,394,683,300.05
5. Step 5: Solve for x
   x = 60,773,394,683,300.05/8,978,760.38
6. Step 6: Final answer
   x = 6,768,572.96