Finding the Fourth Proportional to 58,527.78, 80,767.76 and 31,669.72

Step by Step Solution

1. Step 1: Write the proportion equation
   58,527.78 : 80,767.76 = 31,669.72 : x
2. Step 2: Convert to fraction form
   58,527.78/80,767.76 = 31,669.72/x
3. Step 3: Cross multiply
   58,527.78x = 80,767.76 × 31,669.72
4. Step 4: Simplify right side
   58,527.78x = 2,557,892,344.23
5. Step 5: Solve for x
   x = 2,557,892,344.23/58,527.78
6. Step 6: Final answer
   x = 43,703.90