Finding the Fourth Proportional to 1,631,052, 2,250,851.76 and 915,660

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631,052 : 2,250,851.76 = 915,660 : x
2. Step 2: Convert to fraction form
   1,631,052/2,250,851.76 = 915,660/x
3. Step 3: Cross multiply
   1,631,052x = 2,250,851.76 × 915,660
4. Step 4: Simplify right side
   1,631,052x = 2,061,014,922,561.60
5. Step 5: Solve for x
   x = 2,061,014,922,561.60/1,631,052
6. Step 6: Final answer
   x = 1,263,610.80