Finding the Fourth Proportional to 7,488.86, 10,334.55 and 4,131.70

Step by Step Solution

1. Step 1: Write the proportion equation
   7,488.86 : 10,334.55 = 4,131.70 : x
2. Step 2: Convert to fraction form
   7,488.86/10,334.55 = 4,131.70/x
3. Step 3: Cross multiply
   7,488.86x = 10,334.55 × 4,131.70
4. Step 4: Simplify right side
   7,488.86x = 42,699,208.56
5. Step 5: Solve for x
   x = 42,699,208.56/7,488.86
6. Step 6: Final answer
   x = 5,701.70