Finding the Fourth Proportional to 67,971.62, 93,834.92 and 42,492.15

Step by Step Solution

1. Step 1: Write the proportion equation
   67,971.62 : 93,834.92 = 42,492.15 : x
2. Step 2: Convert to fraction form
   67,971.62/93,834.92 = 42,492.15/x
3. Step 3: Cross multiply
   67,971.62x = 93,834.92 × 42,492.15
4. Step 4: Simplify right side
   67,971.62x = 3,987,247,602.11
5. Step 5: Solve for x
   x = 3,987,247,602.11/67,971.62
6. Step 6: Final answer
   x = 58,660.47