Finding the Fourth Proportional to 153,097.77, 229,155.32 and 81,842.27

Step by Step Solution

1. Step 1: Write the proportion equation
   153,097.77 : 229,155.32 = 81,842.27 : x
2. Step 2: Convert to fraction form
   153,097.77/229,155.32 = 81,842.27/x
3. Step 3: Cross multiply
   153,097.77x = 229,155.32 × 81,842.27
4. Step 4: Simplify right side
   153,097.77x = 18,754,590,016.39
5. Step 5: Solve for x
   x = 18,754,590,016.39/153,097.77
6. Step 6: Final answer
   x = 122,500.74