Finding the Fourth Proportional to 887,018.16, 1,224,085.56 and 479,120.00

Step by Step Solution

1. Step 1: Write the proportion equation
   887,018.16 : 1,224,085.56 = 479,120.00 : x
2. Step 2: Convert to fraction form
   887,018.16/1,224,085.56 = 479,120.00/x
3. Step 3: Cross multiply
   887,018.16x = 1,224,085.56 × 479,120.00
4. Step 4: Simplify right side
   887,018.16x = 586,483,876,255.16
5. Step 5: Solve for x
   x = 586,483,876,255.16/887,018.16
6. Step 6: Final answer
   x = 661,185.87