Finding the Fourth Proportional to 55,458.26, 76,530.69 and 31,588.34

Step by Step Solution

1. Step 1: Write the proportion equation
   55,458.26 : 76,530.69 = 31,588.34 : x
2. Step 2: Convert to fraction form
   55,458.26/76,530.69 = 31,588.34/x
3. Step 3: Cross multiply
   55,458.26x = 76,530.69 × 31,588.34
4. Step 4: Simplify right side
   55,458.26x = 2,417,477,456.15
5. Step 5: Solve for x
   x = 2,417,477,456.15/55,458.26
6. Step 6: Final answer
   x = 43,590.94