Finding the Fourth Proportional to 1,503,733.83, 2,254,699.98 and 478,621.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,733.83 : 2,254,699.98 = 478,621.32 : x
2. Step 2: Convert to fraction form
   1,503,733.83/2,254,699.98 = 478,621.32/x
3. Step 3: Cross multiply
   1,503,733.83x = 2,254,699.98 × 478,621.32
4. Step 4: Simplify right side
   1,503,733.83x = 1,079,147,472,176.45
5. Step 5: Solve for x
   x = 1,079,147,472,176.45/1,503,733.83
6. Step 6: Final answer
   x = 717,645.27