Finding the Fourth Proportional to 11,946.94, 17,819.61 and 10,374.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,946.94 : 17,819.61 = 10,374.58 : x
2. Step 2: Convert to fraction form
   11,946.94/17,819.61 = 10,374.58/x
3. Step 3: Cross multiply
   11,946.94x = 17,819.61 × 10,374.58
4. Step 4: Simplify right side
   11,946.94x = 184,870,969.51
5. Step 5: Solve for x
   x = 184,870,969.51/11,946.94
6. Step 6: Final answer
   x = 15,474.34