Finding the Fourth Proportional to 53,002.72, 79,507.76 and 17,930.52

Step by Step Solution

1. Step 1: Write the proportion equation
   53,002.72 : 79,507.76 = 17,930.52 : x
2. Step 2: Convert to fraction form
   53,002.72/79,507.76 = 17,930.52/x
3. Step 3: Cross multiply
   53,002.72x = 79,507.76 × 17,930.52
4. Step 4: Simplify right side
   53,002.72x = 1,425,615,480.84
5. Step 5: Solve for x
   x = 1,425,615,480.84/53,002.72
6. Step 6: Final answer
   x = 26,897.02