Finding the Fourth Proportional to 10,645.58, 14,695.40 and 7,581.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,645.58 : 14,695.40 = 7,581.39 : x
2. Step 2: Convert to fraction form
   10,645.58/14,695.40 = 7,581.39/x
3. Step 3: Cross multiply
   10,645.58x = 14,695.40 × 7,581.39
4. Step 4: Simplify right side
   10,645.58x = 111,411,558.61
5. Step 5: Solve for x
   x = 111,411,558.61/10,645.58
6. Step 6: Final answer
   x = 10,465.52