Finding the Fourth Proportional to 12,058.61, 18,090.78 and 5,034.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,058.61 : 18,090.78 = 5,034.71 : x
2. Step 2: Convert to fraction form
   12,058.61/18,090.78 = 5,034.71/x
3. Step 3: Cross multiply
   12,058.61x = 18,090.78 × 5,034.71
4. Step 4: Simplify right side
   12,058.61x = 91,081,830.97
5. Step 5: Solve for x
   x = 91,081,830.97/12,058.61
6. Step 6: Final answer
   x = 7,553.26