Finding the Fourth Proportional to 3,485,499.92, 5,228,254 and 1,089,357.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,485,499.92 : 5,228,254 = 1,089,357.12 : x
2. Step 2: Convert to fraction form
   3,485,499.92/5,228,254 = 1,089,357.12/x
3. Step 3: Cross multiply
   3,485,499.92x = 5,228,254 × 1,089,357.12
4. Step 4: Simplify right side
   3,485,499.92x = 5,695,435,720,068.48
5. Step 5: Solve for x
   x = 5,695,435,720,068.48/3,485,499.92
6. Step 6: Final answer
   x = 1,634,036.97