Finding the Fourth Proportional to 13,123.22, 19,683.61 and 4,802.90

Step by Step Solution

1. Step 1: Write the proportion equation
   13,123.22 : 19,683.61 = 4,802.90 : x
2. Step 2: Convert to fraction form
   13,123.22/19,683.61 = 4,802.90/x
3. Step 3: Cross multiply
   13,123.22x = 19,683.61 × 4,802.90
4. Step 4: Simplify right side
   13,123.22x = 94,538,300.04
5. Step 5: Solve for x
   x = 94,538,300.04/13,123.22
6. Step 6: Final answer
   x = 7,203.90