Finding the Fourth Proportional to 464,255.01, 636,499.55 and 455,856.93

Step by Step Solution

1. Step 1: Write the proportion equation
   464,255.01 : 636,499.55 = 455,856.93 : x
2. Step 2: Convert to fraction form
   464,255.01/636,499.55 = 455,856.93/x
3. Step 3: Cross multiply
   464,255.01x = 636,499.55 × 455,856.93
4. Step 4: Simplify right side
   464,255.01x = 290,152,731,949.02
5. Step 5: Solve for x
   x = 290,152,731,949.02/464,255.01
6. Step 6: Final answer
   x = 624,985.68