Finding the Fourth Proportional to 9,113.34, 12,576.41 and 4,921.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,113.34 : 12,576.41 = 4,921.59 : x
2. Step 2: Convert to fraction form
   9,113.34/12,576.41 = 4,921.59/x
3. Step 3: Cross multiply
   9,113.34x = 12,576.41 × 4,921.59
4. Step 4: Simplify right side
   9,113.34x = 61,896,002.39
5. Step 5: Solve for x
   x = 61,896,002.39/9,113.34
6. Step 6: Final answer
   x = 6,791.80