Finding the Fourth Proportional to 456,801.89, 630,372.35 and 263,210.00

Step by Step Solution

1. Step 1: Write the proportion equation
   456,801.89 : 630,372.35 = 263,210.00 : x
2. Step 2: Convert to fraction form
   456,801.89/630,372.35 = 263,210.00/x
3. Step 3: Cross multiply
   456,801.89x = 630,372.35 × 263,210.00
4. Step 4: Simplify right side
   456,801.89x = 165,920,301,775.59
5. Step 5: Solve for x
   x = 165,920,301,775.59/456,801.89
6. Step 6: Final answer
   x = 363,221.58