Finding the Fourth Proportional to 147,820.69, 221,786.13 and 88,698.79

Step by Step Solution

1. Step 1: Write the proportion equation
   147,820.69 : 221,786.13 = 88,698.79 : x
2. Step 2: Convert to fraction form
   147,820.69/221,786.13 = 88,698.79/x
3. Step 3: Cross multiply
   147,820.69x = 221,786.13 × 88,698.79
4. Step 4: Simplify right side
   147,820.69x = 19,672,161,369.78
5. Step 5: Solve for x
   x = 19,672,161,369.78/147,820.69
6. Step 6: Final answer
   x = 133,081.24