Finding the Fourth Proportional to 1,146,630.89, 1,582,222.06 and 687,764.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146,630.89 : 1,582,222.06 = 687,764.12 : x
2. Step 2: Convert to fraction form
   1,146,630.89/1,582,222.06 = 687,764.12/x
3. Step 3: Cross multiply
   1,146,630.89x = 1,582,222.06 × 687,764.12
4. Step 4: Simplify right side
   1,146,630.89x = 1,088,195,551,820.41
5. Step 5: Solve for x
   x = 1,088,195,551,820.41/1,146,630.89
6. Step 6: Final answer
   x = 949,037.36