Finding the Fourth Proportional to 31,091.71, 46,598.52 and 13,301.47

Step by Step Solution

1. Step 1: Write the proportion equation
   31,091.71 : 46,598.52 = 13,301.47 : x
2. Step 2: Convert to fraction form
   31,091.71/46,598.52 = 13,301.47/x
3. Step 3: Cross multiply
   31,091.71x = 46,598.52 × 13,301.47
4. Step 4: Simplify right side
   31,091.71x = 619,828,815.82
5. Step 5: Solve for x
   x = 619,828,815.82/31,091.71
6. Step 6: Final answer
   x = 19,935.50