Finding the Fourth Proportional to 31,095.52, 42,918.75 and 19,762.81

Step by Step Solution

1. Step 1: Write the proportion equation
   31,095.52 : 42,918.75 = 19,762.81 : x
2. Step 2: Convert to fraction form
   31,095.52/42,918.75 = 19,762.81/x
3. Step 3: Cross multiply
   31,095.52x = 42,918.75 × 19,762.81
4. Step 4: Simplify right side
   31,095.52x = 848,194,994.39
5. Step 5: Solve for x
   x = 848,194,994.39/31,095.52
6. Step 6: Final answer
   x = 27,277.08