Finding the Fourth Proportional to 9,123.84, 12,587.81 and 5,346.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,123.84 : 12,587.81 = 5,346.41 : x
2. Step 2: Convert to fraction form
   9,123.84/12,587.81 = 5,346.41/x
3. Step 3: Cross multiply
   9,123.84x = 12,587.81 × 5,346.41
4. Step 4: Simplify right side
   9,123.84x = 67,299,503.59
5. Step 5: Solve for x
   x = 67,299,503.59/9,123.84
6. Step 6: Final answer
   x = 7,376.23