Finding the Fourth Proportional to 42,478.09, 63,716.09 and 17,500.84

Step by Step Solution

1. Step 1: Write the proportion equation
   42,478.09 : 63,716.09 = 17,500.84 : x
2. Step 2: Convert to fraction form
   42,478.09/63,716.09 = 17,500.84/x
3. Step 3: Cross multiply
   42,478.09x = 63,716.09 × 17,500.84
4. Step 4: Simplify right side
   42,478.09x = 1,115,085,096.52
5. Step 5: Solve for x
   x = 1,115,085,096.52/42,478.09
6. Step 6: Final answer
   x = 26,250.83