Finding the Fourth Proportional to 435,648.06, 601,123.77 and 272,285.31

Step by Step Solution

1. Step 1: Write the proportion equation
   435,648.06 : 601,123.77 = 272,285.31 : x
2. Step 2: Convert to fraction form
   435,648.06/601,123.77 = 272,285.31/x
3. Step 3: Cross multiply
   435,648.06x = 601,123.77 × 272,285.31
4. Step 4: Simplify right side
   435,648.06x = 163,677,172,062.82
5. Step 5: Solve for x
   x = 163,677,172,062.82/435,648.06
6. Step 6: Final answer
   x = 375,709.63