Finding the Fourth Proportional to 7,812.48, 10,770.01 and 5,570.47

Step by Step Solution

1. Step 1: Write the proportion equation
   7,812.48 : 10,770.01 = 5,570.47 : x
2. Step 2: Convert to fraction form
   7,812.48/10,770.01 = 5,570.47/x
3. Step 3: Cross multiply
   7,812.48x = 10,770.01 × 5,570.47
4. Step 4: Simplify right side
   7,812.48x = 59,994,017.60
5. Step 5: Solve for x
   x = 59,994,017.60/7,812.48
6. Step 6: Final answer
   x = 7,679.25