Finding the Fourth Proportional to 735,089.72, 1,014,533.52 and 448,775.78

Step by Step Solution

1. Step 1: Write the proportion equation
   735,089.72 : 1,014,533.52 = 448,775.78 : x
2. Step 2: Convert to fraction form
   735,089.72/1,014,533.52 = 448,775.78/x
3. Step 3: Cross multiply
   735,089.72x = 1,014,533.52 × 448,775.78
4. Step 4: Simplify right side
   735,089.72x = 455,298,071,774.15
5. Step 5: Solve for x
   x = 455,298,071,774.15/735,089.72
6. Step 6: Final answer
   x = 619,377.55