Finding the Fourth Proportional to 55,207, 76,187.28 and 30,058.12

Step by Step Solution

1. Step 1: Write the proportion equation
   55,207 : 76,187.28 = 30,058.12 : x
2. Step 2: Convert to fraction form
   55,207/76,187.28 = 30,058.12/x
3. Step 3: Cross multiply
   55,207x = 76,187.28 × 30,058.12
4. Step 4: Simplify right side
   55,207x = 2,290,046,404.71
5. Step 5: Solve for x
   x = 2,290,046,404.71/55,207
6. Step 6: Final answer
   x = 41,481.09