Finding the Fourth Proportional to 19,912.52, 29,887.25 and 10,058.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,912.52 : 29,887.25 = 10,058.72 : x
2. Step 2: Convert to fraction form
   19,912.52/29,887.25 = 10,058.72/x
3. Step 3: Cross multiply
   19,912.52x = 29,887.25 × 10,058.72
4. Step 4: Simplify right side
   19,912.52x = 300,627,279.59
5. Step 5: Solve for x
   x = 300,627,279.59/19,912.52
6. Step 6: Final answer
   x = 15,097.40