Finding the Fourth Proportional to 110,302.72, 152,136.20 and 69,981.68

Step by Step Solution

1. Step 1: Write the proportion equation
   110,302.72 : 152,136.20 = 69,981.68 : x
2. Step 2: Convert to fraction form
   110,302.72/152,136.20 = 69,981.68/x
3. Step 3: Cross multiply
   110,302.72x = 152,136.20 × 69,981.68
4. Step 4: Simplify right side
   110,302.72x = 10,646,746,864.82
5. Step 5: Solve for x
   x = 10,646,746,864.82/110,302.72
6. Step 6: Final answer
   x = 96,522.98