Finding the Fourth Proportional to 42,210.72, 58,262.34 and 26,285.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,210.72 : 58,262.34 = 26,285.76 : x
2. Step 2: Convert to fraction form
   42,210.72/58,262.34 = 26,285.76/x
3. Step 3: Cross multiply
   42,210.72x = 58,262.34 × 26,285.76
4. Step 4: Simplify right side
   42,210.72x = 1,531,469,886.28
5. Step 5: Solve for x
   x = 1,531,469,886.28/42,210.72
6. Step 6: Final answer
   x = 36,281.54