Finding the Fourth Proportional to 67,356.79, 101,005.88 and 19,314.81

Step by Step Solution

1. Step 1: Write the proportion equation
   67,356.79 : 101,005.88 = 19,314.81 : x
2. Step 2: Convert to fraction form
   67,356.79/101,005.88 = 19,314.81/x
3. Step 3: Cross multiply
   67,356.79x = 101,005.88 × 19,314.81
4. Step 4: Simplify right side
   67,356.79x = 1,950,909,284.51
5. Step 5: Solve for x
   x = 1,950,909,284.51/67,356.79
6. Step 6: Final answer
   x = 28,963.81