Finding the Fourth Proportional to 58,554.65, 80,805.32 and 31,697.15

Step by Step Solution

1. Step 1: Write the proportion equation
   58,554.65 : 80,805.32 = 31,697.15 : x
2. Step 2: Convert to fraction form
   58,554.65/80,805.32 = 31,697.15/x
3. Step 3: Cross multiply
   58,554.65x = 80,805.32 × 31,697.15
4. Step 4: Simplify right side
   58,554.65x = 2,561,298,221.60
5. Step 5: Solve for x
   x = 2,561,298,221.60/58,554.65
6. Step 6: Final answer
   x = 43,742.01