Finding the Fourth Proportional to 305,061.30, 420,973.02 and 169,097.40

Step by Step Solution

1. Step 1: Write the proportion equation
   305,061.30 : 420,973.02 = 169,097.40 : x
2. Step 2: Convert to fraction form
   305,061.30/420,973.02 = 169,097.40/x
3. Step 3: Cross multiply
   305,061.30x = 420,973.02 × 169,097.40
4. Step 4: Simplify right side
   305,061.30x = 71,185,443,152.15
5. Step 5: Solve for x
   x = 71,185,443,152.15/305,061.30
6. Step 6: Final answer
   x = 233,348.00