Finding the Fourth Proportional to 148,090.30, 204,299.69 and 86,805.42

Step by Step Solution

1. Step 1: Write the proportion equation
   148,090.30 : 204,299.69 = 86,805.42 : x
2. Step 2: Convert to fraction form
   148,090.30/204,299.69 = 86,805.42/x
3. Step 3: Cross multiply
   148,090.30x = 204,299.69 × 86,805.42
4. Step 4: Simplify right side
   148,090.30x = 17,734,319,483.47
5. Step 5: Solve for x
   x = 17,734,319,483.47/148,090.30
6. Step 6: Final answer
   x = 119,753.42