Finding the Fourth Proportional to 37,305.98, 55,958.38 and 13,613.37

Step by Step Solution

1. Step 1: Write the proportion equation
   37,305.98 : 55,958.38 = 13,613.37 : x
2. Step 2: Convert to fraction form
   37,305.98/55,958.38 = 13,613.37/x
3. Step 3: Cross multiply
   37,305.98x = 55,958.38 × 13,613.37
4. Step 4: Simplify right side
   37,305.98x = 761,781,887.66
5. Step 5: Solve for x
   x = 761,781,887.66/37,305.98
6. Step 6: Final answer
   x = 20,419.83