Finding the Fourth Proportional to 11,892.51, 17,832.15 and 4,870.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,892.51 : 17,832.15 = 4,870.62 : x
2. Step 2: Convert to fraction form
   11,892.51/17,832.15 = 4,870.62/x
3. Step 3: Cross multiply
   11,892.51x = 17,832.15 × 4,870.62
4. Step 4: Simplify right side
   11,892.51x = 86,853,626.43
5. Step 5: Solve for x
   x = 86,853,626.43/11,892.51
6. Step 6: Final answer
   x = 7,303.22