Finding the Fourth Proportional to 110,691.65, 152,766.25 and 67,696.31

Step by Step Solution

1. Step 1: Write the proportion equation
   110,691.65 : 152,766.25 = 67,696.31 : x
2. Step 2: Convert to fraction form
   110,691.65/152,766.25 = 67,696.31/x
3. Step 3: Cross multiply
   110,691.65x = 152,766.25 × 67,696.31
4. Step 4: Simplify right side
   110,691.65x = 10,341,710,484.47
5. Step 5: Solve for x
   x = 10,341,710,484.47/110,691.65
6. Step 6: Final answer
   x = 93,428.10