Finding the Fourth Proportional to 1,336,606.72, 2,000,457.12 and 1,069,112.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336,606.72 : 2,000,457.12 = 1,069,112.32 : x
2. Step 2: Convert to fraction form
   1,336,606.72/2,000,457.12 = 1,069,112.32/x
3. Step 3: Cross multiply
   1,336,606.72x = 2,000,457.12 × 1,069,112.32
4. Step 4: Simplify right side
   1,336,606.72x = 2,138,713,352,623.72
5. Step 5: Solve for x
   x = 2,138,713,352,623.72/1,336,606.72
6. Step 6: Final answer
   x = 1,600,106.69