Finding the Fourth Proportional to 13,764.34, 18,994.71 and 7,476.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,764.34 : 18,994.71 = 7,476.76 : x
2. Step 2: Convert to fraction form
   13,764.34/18,994.71 = 7,476.76/x
3. Step 3: Cross multiply
   13,764.34x = 18,994.71 × 7,476.76
4. Step 4: Simplify right side
   13,764.34x = 142,018,887.94
5. Step 5: Solve for x
   x = 142,018,887.94/13,764.34
6. Step 6: Final answer
   x = 10,317.89