Finding the Fourth Proportional to 37,091.52, 55,593.42 and 13,690.62

Step by Step Solution

1. Step 1: Write the proportion equation
   37,091.52 : 55,593.42 = 13,690.62 : x
2. Step 2: Convert to fraction form
   37,091.52/55,593.42 = 13,690.62/x
3. Step 3: Cross multiply
   37,091.52x = 55,593.42 × 13,690.62
4. Step 4: Simplify right side
   37,091.52x = 761,108,387.72
5. Step 5: Solve for x
   x = 761,108,387.72/37,091.52
6. Step 6: Final answer
   x = 20,519.74