Finding the Fourth Proportional to 19,923.30, 29,903.39 and 10,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,923.30 : 29,903.39 = 10,069.50 : x
2. Step 2: Convert to fraction form
   19,923.30/29,903.39 = 10,069.50/x
3. Step 3: Cross multiply
   19,923.30x = 29,903.39 × 10,069.50
4. Step 4: Simplify right side
   19,923.30x = 301,112,185.61
5. Step 5: Solve for x
   x = 301,112,185.61/19,923.30
6. Step 6: Final answer
   x = 15,113.57