Finding the Fourth Proportional to 1,047,920.72, 1,446,130.62 and 570,992.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047,920.72 : 1,446,130.62 = 570,992.72 : x
2. Step 2: Convert to fraction form
   1,047,920.72/1,446,130.62 = 570,992.72/x
3. Step 3: Cross multiply
   1,047,920.72x = 1,446,130.62 × 570,992.72
4. Step 4: Simplify right side
   1,047,920.72x = 825,730,056,189.09
5. Step 5: Solve for x
   x = 825,730,056,189.09/1,047,920.72
6. Step 6: Final answer
   x = 787,969.97