Finding the Fourth Proportional to 3,678,780.52, 5,552,726.58 and 3,678,780.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,678,780.52 : 5,552,726.58 = 3,678,780.52 : x
2. Step 2: Convert to fraction form
   3,678,780.52/5,552,726.58 = 3,678,780.52/x
3. Step 3: Cross multiply
   3,678,780.52x = 5,552,726.58 × 3,678,780.52
4. Step 4: Simplify right side
   3,678,780.52x = 20,427,262,375,390.22
5. Step 5: Solve for x
   x = 20,427,262,375,390.22/3,678,780.52
6. Step 6: Final answer
   x = 5,552,726.58