Finding the Fourth Proportional to 7,488.79, 10,334.40 and 4,131.93

Step by Step Solution

1. Step 1: Write the proportion equation
   7,488.79 : 10,334.40 = 4,131.93 : x
2. Step 2: Convert to fraction form
   7,488.79/10,334.40 = 4,131.93/x
3. Step 3: Cross multiply
   7,488.79x = 10,334.40 × 4,131.93
4. Step 4: Simplify right side
   7,488.79x = 42,700,965.72
5. Step 5: Solve for x
   x = 42,700,965.72/7,488.79
6. Step 6: Final answer
   x = 5,701.98