Finding the Fourth Proportional to 2,139,580.92, 2,952,693.08 and 1,172,713.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,580.92 : 2,952,693.08 = 1,172,713.69 : x
2. Step 2: Convert to fraction form
   2,139,580.92/2,952,693.08 = 1,172,713.69/x
3. Step 3: Cross multiply
   2,139,580.92x = 2,952,693.08 × 1,172,713.69
4. Step 4: Simplify right side
   2,139,580.92x = 3,462,663,597,284.27
5. Step 5: Solve for x
   x = 3,462,663,597,284.27/2,139,580.92
6. Step 6: Final answer
   x = 1,618,384.03