Finding the Fourth Proportional to 2,578,090.16, 3,557,643.72 and 1,432,240.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578,090.16 : 3,557,643.72 = 1,432,240.40 : x
2. Step 2: Convert to fraction form
   2,578,090.16/3,557,643.72 = 1,432,240.40/x
3. Step 3: Cross multiply
   2,578,090.16x = 3,557,643.72 × 1,432,240.40
4. Step 4: Simplify right side
   2,578,090.16x = 5,095,401,064,590.29
5. Step 5: Solve for x
   x = 5,095,401,064,590.29/2,578,090.16
6. Step 6: Final answer
   x = 1,976,424.70