Finding the Fourth Proportional to 7,068.87, 10,642.59 and 4,892.40

Step by Step Solution

1. Step 1: Write the proportion equation
   7,068.87 : 10,642.59 = 4,892.40 : x
2. Step 2: Convert to fraction form
   7,068.87/10,642.59 = 4,892.40/x
3. Step 3: Cross multiply
   7,068.87x = 10,642.59 × 4,892.40
4. Step 4: Simplify right side
   7,068.87x = 52,067,807.32
5. Step 5: Solve for x
   x = 52,067,807.32/7,068.87
6. Step 6: Final answer
   x = 7,365.79