Finding the Fourth Proportional to 13,970.25, 19,279.35 and 7,683.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,970.25 : 19,279.35 = 7,683.03 : x
2. Step 2: Convert to fraction form
   13,970.25/19,279.35 = 7,683.03/x
3. Step 3: Cross multiply
   13,970.25x = 19,279.35 × 7,683.03
4. Step 4: Simplify right side
   13,970.25x = 148,123,824.43
5. Step 5: Solve for x
   x = 148,123,824.43/13,970.25
6. Step 6: Final answer
   x = 10,602.80