Finding the Fourth Proportional to 169,209.63, 253,815.03 and 42,849.83

Step by Step Solution

1. Step 1: Write the proportion equation
   169,209.63 : 253,815.03 = 42,849.83 : x
2. Step 2: Convert to fraction form
   169,209.63/253,815.03 = 42,849.83/x
3. Step 3: Cross multiply
   169,209.63x = 253,815.03 × 42,849.83
4. Step 4: Simplify right side
   169,209.63x = 10,875,931,521.48
5. Step 5: Solve for x
   x = 10,875,931,521.48/169,209.63
6. Step 6: Final answer
   x = 64,274.90