Finding the Fourth Proportional to 55,768.52, 76,533.65 and 55,374.86

Step by Step Solution

1. Step 1: Write the proportion equation
   55,768.52 : 76,533.65 = 55,374.86 : x
2. Step 2: Convert to fraction form
   55,768.52/76,533.65 = 55,374.86/x
3. Step 3: Cross multiply
   55,768.52x = 76,533.65 × 55,374.86
4. Step 4: Simplify right side
   55,768.52x = 4,238,040,154.04
5. Step 5: Solve for x
   x = 4,238,040,154.04/55,768.52
6. Step 6: Final answer
   x = 75,993.41