Finding the Fourth Proportional to 460,147.50, 635,003.55 and 258,947.82

Step by Step Solution

1. Step 1: Write the proportion equation
   460,147.50 : 635,003.55 = 258,947.82 : x
2. Step 2: Convert to fraction form
   460,147.50/635,003.55 = 258,947.82/x
3. Step 3: Cross multiply
   460,147.50x = 635,003.55 × 258,947.82
4. Step 4: Simplify right side
   460,147.50x = 164,432,784,964.76
5. Step 5: Solve for x
   x = 164,432,784,964.76/460,147.50
6. Step 6: Final answer
   x = 357,347.99