Finding the Fourth Proportional to 39,513.69, 59,316.84 and 31,199.31

Step by Step Solution

1. Step 1: Write the proportion equation
   39,513.69 : 59,316.84 = 31,199.31 : x
2. Step 2: Convert to fraction form
   39,513.69/59,316.84 = 31,199.31/x
3. Step 3: Cross multiply
   39,513.69x = 59,316.84 × 31,199.31
4. Step 4: Simplify right side
   39,513.69x = 1,850,644,479.38
5. Step 5: Solve for x
   x = 1,850,644,479.38/39,513.69
6. Step 6: Final answer
   x = 46,835.53