Finding the Fourth Proportional to 6,870.54, 9,471.01 and 5,375.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,870.54 : 9,471.01 = 5,375.86 : x
2. Step 2: Convert to fraction form
   6,870.54/9,471.01 = 5,375.86/x
3. Step 3: Cross multiply
   6,870.54x = 9,471.01 × 5,375.86
4. Step 4: Simplify right side
   6,870.54x = 50,914,823.82
5. Step 5: Solve for x
   x = 50,914,823.82/6,870.54
6. Step 6: Final answer
   x = 7,410.60