Finding the Fourth Proportional to 1,052,662.32, 1,580,083.67 and 648,145.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,052,662.32 : 1,580,083.67 = 648,145.89 : x
2. Step 2: Convert to fraction form
   1,052,662.32/1,580,083.67 = 648,145.89/x
3. Step 3: Cross multiply
   1,052,662.32x = 1,580,083.67 × 648,145.89
4. Step 4: Simplify right side
   1,052,662.32x = 1,024,124,738,186.98
5. Step 5: Solve for x
   x = 1,024,124,738,186.98/1,052,662.32
6. Step 6: Final answer
   x = 972,890.09