Finding the Fourth Proportional to 4,900.96, 7,299.56 and 4,877.07

Step by Step Solution

1. Step 1: Write the proportion equation
   4,900.96 : 7,299.56 = 4,877.07 : x
2. Step 2: Convert to fraction form
   4,900.96/7,299.56 = 4,877.07/x
3. Step 3: Cross multiply
   4,900.96x = 7,299.56 × 4,877.07
4. Step 4: Simplify right side
   4,900.96x = 35,600,428.59
5. Step 5: Solve for x
   x = 35,600,428.59/4,900.96
6. Step 6: Final answer
   x = 7,263.97