Finding the Fourth Proportional to 1,097,105.12, 1,514,145.12 and 613,697.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097,105.12 : 1,514,145.12 = 613,697.12 : x
2. Step 2: Convert to fraction form
   1,097,105.12/1,514,145.12 = 613,697.12/x
3. Step 3: Cross multiply
   1,097,105.12x = 1,514,145.12 × 613,697.12
4. Step 4: Simplify right side
   1,097,105.12x = 929,226,499,406.06
5. Step 5: Solve for x
   x = 929,226,499,406.06/1,097,105.12
6. Step 6: Final answer
   x = 846,980.37