Finding the Fourth Proportional to 2,755,897.40, 4,131,877.80 and 1,238,338.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,755,897.40 : 4,131,877.80 = 1,238,338.10 : x
2. Step 2: Convert to fraction form
   2,755,897.40/4,131,877.80 = 1,238,338.10/x
3. Step 3: Cross multiply
   2,755,897.40x = 4,131,877.80 × 1,238,338.10
4. Step 4: Simplify right side
   2,755,897.40x = 5,116,661,704,284.18
5. Step 5: Solve for x
   x = 5,116,661,704,284.18/2,755,897.40
6. Step 6: Final answer
   x = 1,856,622.71