Finding the Fourth Proportional to 135,003.30, 201,986.55 and 88,347.30

Step by Step Solution

1. Step 1: Write the proportion equation
   135,003.30 : 201,986.55 = 88,347.30 : x
2. Step 2: Convert to fraction form
   135,003.30/201,986.55 = 88,347.30/x
3. Step 3: Cross multiply
   135,003.30x = 201,986.55 × 88,347.30
4. Step 4: Simplify right side
   135,003.30x = 17,844,966,328.82
5. Step 5: Solve for x
   x = 17,844,966,328.82/135,003.30
6. Step 6: Final answer
   x = 132,181.70