Finding the Fourth Proportional to 13,123.34, 19,683.18 and 3,764.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,123.34 : 19,683.18 = 3,764.16 : x
2. Step 2: Convert to fraction form
   13,123.34/19,683.18 = 3,764.16/x
3. Step 3: Cross multiply
   13,123.34x = 19,683.18 × 3,764.16
4. Step 4: Simplify right side
   13,123.34x = 74,090,638.83
5. Step 5: Solve for x
   x = 74,090,638.83/13,123.34
6. Step 6: Final answer
   x = 5,645.72