Finding the Fourth Proportional to 7,340.72, 10,130.51 and 4,196.91

Step by Step Solution

1. Step 1: Write the proportion equation
   7,340.72 : 10,130.51 = 4,196.91 : x
2. Step 2: Convert to fraction form
   7,340.72/10,130.51 = 4,196.91/x
3. Step 3: Cross multiply
   7,340.72x = 10,130.51 × 4,196.91
4. Step 4: Simplify right side
   7,340.72x = 42,516,817.74
5. Step 5: Solve for x
   x = 42,516,817.74/7,340.72
6. Step 6: Final answer
   x = 5,791.92