Finding the Fourth Proportional to 61,013.37, 91,498.60 and 18,306.06

Step by Step Solution

1. Step 1: Write the proportion equation
   61,013.37 : 91,498.60 = 18,306.06 : x
2. Step 2: Convert to fraction form
   61,013.37/91,498.60 = 18,306.06/x
3. Step 3: Cross multiply
   61,013.37x = 91,498.60 × 18,306.06
4. Step 4: Simplify right side
   61,013.37x = 1,674,978,861.52
5. Step 5: Solve for x
   x = 1,674,978,861.52/61,013.37
6. Step 6: Final answer
   x = 27,452.66