Finding the Fourth Proportional to 2,055,412.45, 3,078,985.15 and 1,155,505.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055,412.45 : 3,078,985.15 = 1,155,505.69 : x
2. Step 2: Convert to fraction form
   2,055,412.45/3,078,985.15 = 1,155,505.69/x
3. Step 3: Cross multiply
   2,055,412.45x = 3,078,985.15 × 1,155,505.69
4. Step 4: Simplify right side
   2,055,412.45x = 3,557,784,860,250.50
5. Step 5: Solve for x
   x = 3,557,784,860,250.50/2,055,412.45
6. Step 6: Final answer
   x = 1,730,934.76