Finding the Fourth Proportional to 58,345.50, 80,516.79 and 31,849.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,345.50 : 80,516.79 = 31,849.50 : x
2. Step 2: Convert to fraction form
   58,345.50/80,516.79 = 31,849.50/x
3. Step 3: Cross multiply
   58,345.50x = 80,516.79 × 31,849.50
4. Step 4: Simplify right side
   58,345.50x = 2,564,419,503.11
5. Step 5: Solve for x
   x = 2,564,419,503.11/58,345.50
6. Step 6: Final answer
   x = 43,952.31