Finding the Fourth Proportional to 2,390,915.38, 3,584,418.69 and 1,112,319.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390,915.38 : 3,584,418.69 = 1,112,319.88 : x
2. Step 2: Convert to fraction form
   2,390,915.38/3,584,418.69 = 1,112,319.88/x
3. Step 3: Cross multiply
   2,390,915.38x = 3,584,418.69 × 1,112,319.88
4. Step 4: Simplify right side
   2,390,915.38x = 3,987,020,167,130.56
5. Step 5: Solve for x
   x = 3,987,020,167,130.56/2,390,915.38
6. Step 6: Final answer
   x = 1,667,570.59