Finding the Fourth Proportional to 39,510.72, 59,312.34 and 31,196.34

Step by Step Solution

1. Step 1: Write the proportion equation
   39,510.72 : 59,312.34 = 31,196.34 : x
2. Step 2: Convert to fraction form
   39,510.72/59,312.34 = 31,196.34/x
3. Step 3: Cross multiply
   39,510.72x = 59,312.34 × 31,196.34
4. Step 4: Simplify right side
   39,510.72x = 1,850,327,924.84
5. Step 5: Solve for x
   x = 1,850,327,924.84/39,510.72
6. Step 6: Final answer
   x = 46,831.04