Finding the Fourth Proportional to 67,696.52, 93,429.30 and 42,542.60

Step by Step Solution

1. Step 1: Write the proportion equation
   67,696.52 : 93,429.30 = 42,542.60 : x
2. Step 2: Convert to fraction form
   67,696.52/93,429.30 = 42,542.60/x
3. Step 3: Cross multiply
   67,696.52x = 93,429.30 × 42,542.60
4. Step 4: Simplify right side
   67,696.52x = 3,974,725,338.18
5. Step 5: Solve for x
   x = 3,974,725,338.18/67,696.52
6. Step 6: Final answer
   x = 58,713.88