Finding the Fourth Proportional to 1,145,016.88, 1,580,050.16 and 635,719.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,016.88 : 1,580,050.16 = 635,719.12 : x
2. Step 2: Convert to fraction form
   1,145,016.88/1,580,050.16 = 635,719.12/x
3. Step 3: Cross multiply
   1,145,016.88x = 1,580,050.16 × 635,719.12
4. Step 4: Simplify right side
   1,145,016.88x = 1,004,468,097,271.06
5. Step 5: Solve for x
   x = 1,004,468,097,271.06/1,145,016.88
6. Step 6: Final answer
   x = 877,251.78