Finding the Fourth Proportional to 12,985.02, 19,470.86 and 5,958.99

Step by Step Solution

1. Step 1: Write the proportion equation
   12,985.02 : 19,470.86 = 5,958.99 : x
2. Step 2: Convert to fraction form
   12,985.02/19,470.86 = 5,958.99/x
3. Step 3: Cross multiply
   12,985.02x = 19,470.86 × 5,958.99
4. Step 4: Simplify right side
   12,985.02x = 116,026,626.25
5. Step 5: Solve for x
   x = 116,026,626.25/12,985.02
6. Step 6: Final answer
   x = 8,935.42