Finding the Fourth Proportional to 55,564.72, 76,679.31 and 30,071.08

Step by Step Solution

1. Step 1: Write the proportion equation
   55,564.72 : 76,679.31 = 30,071.08 : x
2. Step 2: Convert to fraction form
   55,564.72/76,679.31 = 30,071.08/x
3. Step 3: Cross multiply
   55,564.72x = 76,679.31 × 30,071.08
4. Step 4: Simplify right side
   55,564.72x = 2,305,829,704.82
5. Step 5: Solve for x
   x = 2,305,829,704.82/55,564.72
6. Step 6: Final answer
   x = 41,498.09