Finding the Fourth Proportional to 53,182.72, 79,774.34 and 13,737.10

Step by Step Solution

1. Step 1: Write the proportion equation
   53,182.72 : 79,774.34 = 13,737.10 : x
2. Step 2: Convert to fraction form
   53,182.72/79,774.34 = 13,737.10/x
3. Step 3: Cross multiply
   53,182.72x = 79,774.34 × 13,737.10
4. Step 4: Simplify right side
   53,182.72x = 1,095,868,086.01
5. Step 5: Solve for x
   x = 1,095,868,086.01/53,182.72
6. Step 6: Final answer
   x = 20,605.72