Finding the Fourth Proportional to 13,930.37, 19,223.57 and 7,797.99

Step by Step Solution

1. Step 1: Write the proportion equation
   13,930.37 : 19,223.57 = 7,797.99 : x
2. Step 2: Convert to fraction form
   13,930.37/19,223.57 = 7,797.99/x
3. Step 3: Cross multiply
   13,930.37x = 19,223.57 × 7,797.99
4. Step 4: Simplify right side
   13,930.37x = 149,905,071.52
5. Step 5: Solve for x
   x = 149,905,071.52/13,930.37
6. Step 6: Final answer
   x = 10,761.03