Finding the Fourth Proportional to 13,096.32, 18,068.31 and 7,790.40

Step by Step Solution

1. Step 1: Write the proportion equation
   13,096.32 : 18,068.31 = 7,790.40 : x
2. Step 2: Convert to fraction form
   13,096.32/18,068.31 = 7,790.40/x
3. Step 3: Cross multiply
   13,096.32x = 18,068.31 × 7,790.40
4. Step 4: Simplify right side
   13,096.32x = 140,759,362.22
5. Step 5: Solve for x
   x = 140,759,362.22/13,096.32
6. Step 6: Final answer
   x = 10,748.01