Finding the Fourth Proportional to 13,923.99, 19,210.83 and 7,955.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,923.99 : 19,210.83 = 7,955.30 : x
2. Step 2: Convert to fraction form
   13,923.99/19,210.83 = 7,955.30/x
3. Step 3: Cross multiply
   13,923.99x = 19,210.83 × 7,955.30
4. Step 4: Simplify right side
   13,923.99x = 152,827,915.90
5. Step 5: Solve for x
   x = 152,827,915.90/13,923.99
6. Step 6: Final answer
   x = 10,975.87