Finding the Fourth Proportional to 7,557.22, 10,428.72 and 4,199.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,557.22 : 10,428.72 = 4,199.94 : x
2. Step 2: Convert to fraction form
   7,557.22/10,428.72 = 4,199.94/x
3. Step 3: Cross multiply
   7,557.22x = 10,428.72 × 4,199.94
4. Step 4: Simplify right side
   7,557.22x = 43,799,998.28
5. Step 5: Solve for x
   x = 43,799,998.28/7,557.22
6. Step 6: Final answer
   x = 5,795.78