Finding the Fourth Proportional to 69,300.23, 103,950.69 and 19,380.51

Step by Step Solution

1. Step 1: Write the proportion equation
   69,300.23 : 103,950.69 = 19,380.51 : x
2. Step 2: Convert to fraction form
   69,300.23/103,950.69 = 19,380.51/x
3. Step 3: Cross multiply
   69,300.23x = 103,950.69 × 19,380.51
4. Step 4: Simplify right side
   69,300.23x = 2,014,617,290.15
5. Step 5: Solve for x
   x = 2,014,617,290.15/69,300.23
6. Step 6: Final answer
   x = 29,070.86