Finding the Fourth Proportional to 1,112,404.68, 1,535,023.98 and 628,902.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112,404.68 : 1,535,023.98 = 628,902.72 : x
2. Step 2: Convert to fraction form
   1,112,404.68/1,535,023.98 = 628,902.72/x
3. Step 3: Cross multiply
   1,112,404.68x = 1,535,023.98 × 628,902.72
4. Step 4: Simplify right side
   1,112,404.68x = 965,380,756,287.23
5. Step 5: Solve for x
   x = 965,380,756,287.23/1,112,404.68
6. Step 6: Final answer
   x = 867,832.34