Finding the Fourth Proportional to 52,933.93, 79,399 and 13,490.71

Step by Step Solution

1. Step 1: Write the proportion equation
   52,933.93 : 79,399 = 13,490.71 : x
2. Step 2: Convert to fraction form
   52,933.93/79,399 = 13,490.71/x
3. Step 3: Cross multiply
   52,933.93x = 79,399 × 13,490.71
4. Step 4: Simplify right side
   52,933.93x = 1,071,148,883.29
5. Step 5: Solve for x
   x = 1,071,148,883.29/52,933.93
6. Step 6: Final answer
   x = 20,235.58