Finding the Fourth Proportional to 55,354.04, 76,390.26 and 31,484.15

Step by Step Solution

1. Step 1: Write the proportion equation
   55,354.04 : 76,390.26 = 31,484.15 : x
2. Step 2: Convert to fraction form
   55,354.04/76,390.26 = 31,484.15/x
3. Step 3: Cross multiply
   55,354.04x = 76,390.26 × 31,484.15
4. Step 4: Simplify right side
   55,354.04x = 2,405,082,404.38
5. Step 5: Solve for x
   x = 2,405,082,404.38/55,354.04
6. Step 6: Final answer
   x = 43,449.09