Finding the Fourth Proportional to 69,065.35, 103,598.78 and 19,145.86

Step by Step Solution

1. Step 1: Write the proportion equation
   69,065.35 : 103,598.78 = 19,145.86 : x
2. Step 2: Convert to fraction form
   69,065.35/103,598.78 = 19,145.86/x
3. Step 3: Cross multiply
   69,065.35x = 103,598.78 × 19,145.86
4. Step 4: Simplify right side
   69,065.35x = 1,983,487,383.32
5. Step 5: Solve for x
   x = 1,983,487,383.32/69,065.35
6. Step 6: Final answer
   x = 28,719.00