Finding the Fourth Proportional to 67,838.31, 93,585.38 and 42,328.17

Step by Step Solution

1. Step 1: Write the proportion equation
   67,838.31 : 93,585.38 = 42,328.17 : x
2. Step 2: Convert to fraction form
   67,838.31/93,585.38 = 42,328.17/x
3. Step 3: Cross multiply
   67,838.31x = 93,585.38 × 42,328.17
4. Step 4: Simplify right side
   67,838.31x = 3,961,297,662.51
5. Step 5: Solve for x
   x = 3,961,297,662.51/67,838.31
6. Step 6: Final answer
   x = 58,393.22