Finding the Fourth Proportional to 9,835.12, 13,574.69 and 5,858.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,835.12 : 13,574.69 = 5,858.43 : x
2. Step 2: Convert to fraction form
   9,835.12/13,574.69 = 5,858.43/x
3. Step 3: Cross multiply
   9,835.12x = 13,574.69 × 5,858.43
4. Step 4: Simplify right side
   9,835.12x = 79,526,312.91
5. Step 5: Solve for x
   x = 79,526,312.91/9,835.12
6. Step 6: Final answer
   x = 8,085.95