Finding the Fourth Proportional to 1,980,867.69, 2,734,248.56 and 1,165,036.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980,867.69 : 2,734,248.56 = 1,165,036.50 : x
2. Step 2: Convert to fraction form
   1,980,867.69/2,734,248.56 = 1,165,036.50/x
3. Step 3: Cross multiply
   1,980,867.69x = 2,734,248.56 × 1,165,036.50
4. Step 4: Simplify right side
   1,980,867.69x = 3,185,499,366,647.26
5. Step 5: Solve for x
   x = 3,185,499,366,647.26/1,980,867.69
6. Step 6: Final answer
   x = 1,608,133.34