Finding the Fourth Proportional to 55,367.21, 76,410.83 and 31,501.55

Step by Step Solution

1. Step 1: Write the proportion equation
   55,367.21 : 76,410.83 = 31,501.55 : x
2. Step 2: Convert to fraction form
   55,367.21/76,410.83 = 31,501.55/x
3. Step 3: Cross multiply
   55,367.21x = 76,410.83 × 31,501.55
4. Step 4: Simplify right side
   55,367.21x = 2,407,059,581.79
5. Step 5: Solve for x
   x = 2,407,059,581.79/55,367.21
6. Step 6: Final answer
   x = 43,474.46