Finding the Fourth Proportional to 10,055.42, 13,874.06 and 6,422.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,055.42 : 13,874.06 = 6,422.98 : x
2. Step 2: Convert to fraction form
   10,055.42/13,874.06 = 6,422.98/x
3. Step 3: Cross multiply
   10,055.42x = 13,874.06 × 6,422.98
4. Step 4: Simplify right side
   10,055.42x = 89,112,809.90
5. Step 5: Solve for x
   x = 89,112,809.90/10,055.42
6. Step 6: Final answer
   x = 8,862.17