Finding the Fourth Proportional to 147,897.23, 204,196.71 and 87,487.28

Step by Step Solution

1. Step 1: Write the proportion equation
   147,897.23 : 204,196.71 = 87,487.28 : x
2. Step 2: Convert to fraction form
   147,897.23/204,196.71 = 87,487.28/x
3. Step 3: Cross multiply
   147,897.23x = 204,196.71 × 87,487.28
4. Step 4: Simplify right side
   147,897.23x = 17,864,614,742.85
5. Step 5: Solve for x
   x = 17,864,614,742.85/147,897.23
6. Step 6: Final answer
   x = 120,790.73