Finding the Fourth Proportional to 1,112,131.92, 1,534,808.24 and 628,742.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112,131.92 : 1,534,808.24 = 628,742.06 : x
2. Step 2: Convert to fraction form
   1,112,131.92/1,534,808.24 = 628,742.06/x
3. Step 3: Cross multiply
   1,112,131.92x = 1,534,808.24 × 628,742.06
4. Step 4: Simplify right side
   1,112,131.92x = 964,998,494,522.58
5. Step 5: Solve for x
   x = 964,998,494,522.58/1,112,131.92
6. Step 6: Final answer
   x = 867,701.46