Finding the Fourth Proportional to 53,003.03, 79,518.89 and 17,942.68

Step by Step Solution

1. Step 1: Write the proportion equation
   53,003.03 : 79,518.89 = 17,942.68 : x
2. Step 2: Convert to fraction form
   53,003.03/79,518.89 = 17,942.68/x
3. Step 3: Cross multiply
   53,003.03x = 79,518.89 × 17,942.68
4. Step 4: Simplify right side
   53,003.03x = 1,426,781,708.71
5. Step 5: Solve for x
   x = 1,426,781,708.71/53,003.03
6. Step 6: Final answer
   x = 26,918.87