Finding the Fourth Proportional to 69,030.92, 103,546.52 and 19,111.16

Step by Step Solution

1. Step 1: Write the proportion equation
   69,030.92 : 103,546.52 = 19,111.16 : x
2. Step 2: Convert to fraction form
   69,030.92/103,546.52 = 19,111.16/x
3. Step 3: Cross multiply
   69,030.92x = 103,546.52 × 19,111.16
4. Step 4: Simplify right side
   69,030.92x = 1,978,894,111.16
5. Step 5: Solve for x
   x = 1,978,894,111.16/69,030.92
6. Step 6: Final answer
   x = 28,666.78