Finding the Fourth Proportional to 12,695.10, 19,045.94 and 7,434.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,695.10 : 19,045.94 = 7,434.56 : x
2. Step 2: Convert to fraction form
   12,695.10/19,045.94 = 7,434.56/x
3. Step 3: Cross multiply
   12,695.10x = 19,045.94 × 7,434.56
4. Step 4: Simplify right side
   12,695.10x = 141,598,051.28
5. Step 5: Solve for x
   x = 141,598,051.28/12,695.10
6. Step 6: Final answer
   x = 11,153.76