Finding the Fourth Proportional to 58,665.33, 80,957.78 and 31,807.76

Step by Step Solution

1. Step 1: Write the proportion equation
   58,665.33 : 80,957.78 = 31,807.76 : x
2. Step 2: Convert to fraction form
   58,665.33/80,957.78 = 31,807.76/x
3. Step 3: Cross multiply
   58,665.33x = 80,957.78 × 31,807.76
4. Step 4: Simplify right side
   58,665.33x = 2,575,085,191.82
5. Step 5: Solve for x
   x = 2,575,085,191.82/58,665.33
6. Step 6: Final answer
   x = 43,894.50