Finding the Fourth Proportional to 69,066.05, 103,588.82 and 19,140.95

Step by Step Solution

1. Step 1: Write the proportion equation
   69,066.05 : 103,588.82 = 19,140.95 : x
2. Step 2: Convert to fraction form
   69,066.05/103,588.82 = 19,140.95/x
3. Step 3: Cross multiply
   69,066.05x = 103,588.82 × 19,140.95
4. Step 4: Simplify right side
   69,066.05x = 1,982,787,810.53
5. Step 5: Solve for x
   x = 1,982,787,810.53/69,066.05
6. Step 6: Final answer
   x = 28,708.58