Finding the Fourth Proportional to 31,688.25, 43,740.80 and 19,598.00

Step by Step Solution

1. Step 1: Write the proportion equation
   31,688.25 : 43,740.80 = 19,598.00 : x
2. Step 2: Convert to fraction form
   31,688.25/43,740.80 = 19,598.00/x
3. Step 3: Cross multiply
   31,688.25x = 43,740.80 × 19,598.00
4. Step 4: Simplify right side
   31,688.25x = 857,231,881.71
5. Step 5: Solve for x
   x = 857,231,881.71/31,688.25
6. Step 6: Final answer
   x = 27,052.04