Finding the Fourth Proportional to 4,928.59, 7,419.50 and 4,492.63

Step by Step Solution

1. Step 1: Write the proportion equation
   4,928.59 : 7,419.50 = 4,492.63 : x
2. Step 2: Convert to fraction form
   4,928.59/7,419.50 = 4,492.63/x
3. Step 3: Cross multiply
   4,928.59x = 7,419.50 × 4,492.63
4. Step 4: Simplify right side
   4,928.59x = 33,333,068.29
5. Step 5: Solve for x
   x = 33,333,068.29/4,928.59
6. Step 6: Final answer
   x = 6,763.21