Finding the Fourth Proportional to 1,488,065.86, 2,052,773.83 and 972,121.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488,065.86 : 2,052,773.83 = 972,121.76 : x
2. Step 2: Convert to fraction form
   1,488,065.86/2,052,773.83 = 972,121.76/x
3. Step 3: Cross multiply
   1,488,065.86x = 2,052,773.83 × 972,121.76
4. Step 4: Simplify right side
   1,488,065.86x = 1,995,546,108,501.54
5. Step 5: Solve for x
   x = 1,995,546,108,501.54/1,488,065.86
6. Step 6: Final answer
   x = 1,341,033.46