Finding the Fourth Proportional to 12,517,454.05, 18,778,878.52 and 3,881,380.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,517,454.05 : 18,778,878.52 = 3,881,380.82 : x
2. Step 2: Convert to fraction form
   12,517,454.05/18,778,878.52 = 3,881,380.82/x
3. Step 3: Cross multiply
   12,517,454.05x = 18,778,878.52 × 3,881,380.82
4. Step 4: Simplify right side
   12,517,454.05x = 72,887,978,805,040.14
5. Step 5: Solve for x
   x = 72,887,978,805,040.14/12,517,454.05
6. Step 6: Final answer
   x = 5,822,907.64