Finding the Fourth Proportional to 12,677.58, 17,492.94 and 7,372.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,677.58 : 17,492.94 = 7,372.62 : x
2. Step 2: Convert to fraction form
   12,677.58/17,492.94 = 7,372.62/x
3. Step 3: Cross multiply
   12,677.58x = 17,492.94 × 7,372.62
4. Step 4: Simplify right side
   12,677.58x = 128,968,799.30
5. Step 5: Solve for x
   x = 128,968,799.30/12,677.58
6. Step 6: Final answer
   x = 10,172.98