Finding the Fourth Proportional to 8,853,978.51, 12,219,361.92 and 5,182,672.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,853,978.51 : 12,219,361.92 = 5,182,672.55 : x
2. Step 2: Convert to fraction form
   8,853,978.51/12,219,361.92 = 5,182,672.55/x
3. Step 3: Cross multiply
   8,853,978.51x = 12,219,361.92 × 5,182,672.55
4. Step 4: Simplify right side
   8,853,978.51x = 63,328,951,540,202.48
5. Step 5: Solve for x
   x = 63,328,951,540,202.48/8,853,978.51
6. Step 6: Final answer
   x = 7,152,598.29