Finding the Fourth Proportional to 55,898.01, 77,139.54 and 30,404.55

Step by Step Solution

1. Step 1: Write the proportion equation
   55,898.01 : 77,139.54 = 30,404.55 : x
2. Step 2: Convert to fraction form
   55,898.01/77,139.54 = 30,404.55/x
3. Step 3: Cross multiply
   55,898.01x = 77,139.54 × 30,404.55
4. Step 4: Simplify right side
   55,898.01x = 2,345,393,000.91
5. Step 5: Solve for x
   x = 2,345,393,000.91/55,898.01
6. Step 6: Final answer
   x = 41,958.43