Finding the Fourth Proportional to 227,574.18, 341,459.69 and 87,300

Step by Step Solution

1. Step 1: Write the proportion equation
   227,574.18 : 341,459.69 = 87,300 : x
2. Step 2: Convert to fraction form
   227,574.18/341,459.69 = 87,300/x
3. Step 3: Cross multiply
   227,574.18x = 341,459.69 × 87,300
4. Step 4: Simplify right side
   227,574.18x = 29,809,430,500.50
5. Step 5: Solve for x
   x = 29,809,430,500.50/227,574.18
6. Step 6: Final answer
   x = 130,987.75