Finding the Fourth Proportional to 2,091,584.25, 2,886,386.31 and 1,186,166.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091,584.25 : 2,886,386.31 = 1,186,166.25 : x
2. Step 2: Convert to fraction form
   2,091,584.25/2,886,386.31 = 1,186,166.25/x
3. Step 3: Cross multiply
   2,091,584.25x = 2,886,386.31 × 1,186,166.25
4. Step 4: Simplify right side
   2,091,584.25x = 3,423,734,025,384.04
5. Step 5: Solve for x
   x = 3,423,734,025,384.04/2,091,584.25
6. Step 6: Final answer
   x = 1,636,909.45