Finding the Fourth Proportional to 110,265.91, 152,143.74 and 72,081.65

Step by Step Solution

1. Step 1: Write the proportion equation
   110,265.91 : 152,143.74 = 72,081.65 : x
2. Step 2: Convert to fraction form
   110,265.91/152,143.74 = 72,081.65/x
3. Step 3: Cross multiply
   110,265.91x = 152,143.74 × 72,081.65
4. Step 4: Simplify right side
   110,265.91x = 10,966,772,196.73
5. Step 5: Solve for x
   x = 10,966,772,196.73/110,265.91
6. Step 6: Final answer
   x = 99,457.51