Finding the Fourth Proportional to 9,985.16, 14,986.94 and 5,058.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,985.16 : 14,986.94 = 5,058.23 : x
2. Step 2: Convert to fraction form
   9,985.16/14,986.94 = 5,058.23/x
3. Step 3: Cross multiply
   9,985.16x = 14,986.94 × 5,058.23
4. Step 4: Simplify right side
   9,985.16x = 75,807,389.52
5. Step 5: Solve for x
   x = 75,807,389.52/9,985.16
6. Step 6: Final answer
   x = 7,592.01