Finding the Fourth Proportional to 55,240.32, 82,803.74 and 31,499.32

Step by Step Solution

1. Step 1: Write the proportion equation
   55,240.32 : 82,803.74 = 31,499.32 : x
2. Step 2: Convert to fraction form
   55,240.32/82,803.74 = 31,499.32/x
3. Step 3: Cross multiply
   55,240.32x = 82,803.74 × 31,499.32
4. Step 4: Simplify right side
   55,240.32x = 2,608,261,503.46
5. Step 5: Solve for x
   x = 2,608,261,503.46/55,240.32
6. Step 6: Final answer
   x = 47,216.63