Finding the Fourth Proportional to 13,892.96, 19,172.52 and 7,605.68

Step by Step Solution

1. Step 1: Write the proportion equation
   13,892.96 : 19,172.52 = 7,605.68 : x
2. Step 2: Convert to fraction form
   13,892.96/19,172.52 = 7,605.68/x
3. Step 3: Cross multiply
   13,892.96x = 19,172.52 × 7,605.68
4. Step 4: Simplify right side
   13,892.96x = 145,820,051.91
5. Step 5: Solve for x
   x = 145,820,051.91/13,892.96
6. Step 6: Final answer
   x = 10,495.97