Finding the Fourth Proportional to 55,384.32, 76,446.72 and 38,622.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,384.32 : 76,446.72 = 38,622.72 : x
2. Step 2: Convert to fraction form
   55,384.32/76,446.72 = 38,622.72/x
3. Step 3: Cross multiply
   55,384.32x = 76,446.72 × 38,622.72
4. Step 4: Simplify right side
   55,384.32x = 2,952,580,261.48
5. Step 5: Solve for x
   x = 2,952,580,261.48/55,384.32
6. Step 6: Final answer
   x = 53,310.76