Finding the Fourth Proportional to 146,799.10, 205,985.30 and 146,799.10

Step by Step Solution

1. Step 1: Write the proportion equation
   146,799.10 : 205,985.30 = 146,799.10 : x
2. Step 2: Convert to fraction form
   146,799.10/205,985.30 = 146,799.10/x
3. Step 3: Cross multiply
   146,799.10x = 205,985.30 × 146,799.10
4. Step 4: Simplify right side
   146,799.10x = 30,238,456,653.23
5. Step 5: Solve for x
   x = 30,238,456,653.23/146,799.10
6. Step 6: Final answer
   x = 205,985.30