Finding the Fourth Proportional to 31,090.71, 46,597.02 and 13,300.47

Step by Step Solution

1. Step 1: Write the proportion equation
   31,090.71 : 46,597.02 = 13,300.47 : x
2. Step 2: Convert to fraction form
   31,090.71/46,597.02 = 13,300.47/x
3. Step 3: Cross multiply
   31,090.71x = 46,597.02 × 13,300.47
4. Step 4: Simplify right side
   31,090.71x = 619,762,266.60
5. Step 5: Solve for x
   x = 619,762,266.60/31,090.71
6. Step 6: Final answer
   x = 19,934.00