Finding the Fourth Proportional to 9,678.58, 13,357.32 and 5,901.95

Step by Step Solution

1. Step 1: Write the proportion equation
   9,678.58 : 13,357.32 = 5,901.95 : x
2. Step 2: Convert to fraction form
   9,678.58/13,357.32 = 5,901.95/x
3. Step 3: Cross multiply
   9,678.58x = 13,357.32 × 5,901.95
4. Step 4: Simplify right side
   9,678.58x = 78,834,253.41
5. Step 5: Solve for x
   x = 78,834,253.41/9,678.58
6. Step 6: Final answer
   x = 8,145.23