Finding the Fourth Proportional to 1,147,030.38, 1,582,990.59 and 688,162.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147,030.38 : 1,582,990.59 = 688,162.22 : x
2. Step 2: Convert to fraction form
   1,147,030.38/1,582,990.59 = 688,162.22/x
3. Step 3: Cross multiply
   1,147,030.38x = 1,582,990.59 × 688,162.22
4. Step 4: Simplify right side
   1,147,030.38x = 1,089,354,318,653.51
5. Step 5: Solve for x
   x = 1,089,354,318,653.51/1,147,030.38
6. Step 6: Final answer
   x = 949,717.06