Finding the Fourth Proportional to 55,304.01, 76,321.35 and 31,109.22

Step by Step Solution

1. Step 1: Write the proportion equation
   55,304.01 : 76,321.35 = 31,109.22 : x
2. Step 2: Convert to fraction form
   55,304.01/76,321.35 = 31,109.22/x
3. Step 3: Cross multiply
   55,304.01x = 76,321.35 × 31,109.22
4. Step 4: Simplify right side
   55,304.01x = 2,374,297,667.85
5. Step 5: Solve for x
   x = 2,374,297,667.85/55,304.01
6. Step 6: Final answer
   x = 42,931.75