Finding the Fourth Proportional to 2,189,098.72, 3,281,415.72 and 1,240,465.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,098.72 : 3,281,415.72 = 1,240,465.60 : x
2. Step 2: Convert to fraction form
   2,189,098.72/3,281,415.72 = 1,240,465.60/x
3. Step 3: Cross multiply
   2,189,098.72x = 3,281,415.72 × 1,240,465.60
4. Step 4: Simplify right side
   2,189,098.72x = 4,070,483,319,959.23
5. Step 5: Solve for x
   x = 4,070,483,319,959.23/2,189,098.72
6. Step 6: Final answer
   x = 1,859,433.42