Finding the Fourth Proportional to 144,636.06, 216,872.83 and 99,095.16

Step by Step Solution

1. Step 1: Write the proportion equation
   144,636.06 : 216,872.83 = 99,095.16 : x
2. Step 2: Convert to fraction form
   144,636.06/216,872.83 = 99,095.16/x
3. Step 3: Cross multiply
   144,636.06x = 216,872.83 × 99,095.16
4. Step 4: Simplify right side
   144,636.06x = 21,491,047,788.50
5. Step 5: Solve for x
   x = 21,491,047,788.50/144,636.06
6. Step 6: Final answer
   x = 148,587.07