Finding the Fourth Proportional to 67,760.47, 93,506.93 and 39,081.34

Step by Step Solution

1. Step 1: Write the proportion equation
   67,760.47 : 93,506.93 = 39,081.34 : x
2. Step 2: Convert to fraction form
   67,760.47/93,506.93 = 39,081.34/x
3. Step 3: Cross multiply
   67,760.47x = 93,506.93 × 39,081.34
4. Step 4: Simplify right side
   67,760.47x = 3,654,376,123.69
5. Step 5: Solve for x
   x = 3,654,376,123.69/67,760.47
6. Step 6: Final answer
   x = 53,930.80