Finding the Fourth Proportional to 146,726.72, 202,483.72 and 86,299.92

Step by Step Solution

1. Step 1: Write the proportion equation
   146,726.72 : 202,483.72 = 86,299.92 : x
2. Step 2: Convert to fraction form
   146,726.72/202,483.72 = 86,299.92/x
3. Step 3: Cross multiply
   146,726.72x = 202,483.72 × 86,299.92
4. Step 4: Simplify right side
   146,726.72x = 17,474,328,837.30
5. Step 5: Solve for x
   x = 17,474,328,837.30/146,726.72
6. Step 6: Final answer
   x = 119,094.39