Finding the Fourth Proportional to 7,749.02, 10,693.35 and 4,212.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,749.02 : 10,693.35 = 4,212.15 : x
2. Step 2: Convert to fraction form
   7,749.02/10,693.35 = 4,212.15/x
3. Step 3: Cross multiply
   7,749.02x = 10,693.35 × 4,212.15
4. Step 4: Simplify right side
   7,749.02x = 45,041,994.20
5. Step 5: Solve for x
   x = 45,041,994.20/7,749.02
6. Step 6: Final answer
   x = 5,812.61