Finding the Fourth Proportional to 147,342.69, 221,012.42 and 88,194.87

Step by Step Solution

1. Step 1: Write the proportion equation
   147,342.69 : 221,012.42 = 88,194.87 : x
2. Step 2: Convert to fraction form
   147,342.69/221,012.42 = 88,194.87/x
3. Step 3: Cross multiply
   147,342.69x = 221,012.42 × 88,194.87
4. Step 4: Simplify right side
   147,342.69x = 19,492,161,982.33
5. Step 5: Solve for x
   x = 19,492,161,982.33/147,342.69
6. Step 6: Final answer
   x = 132,291.34