Finding the Fourth Proportional to 13,790.56, 19,032.94 and 7,823.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,790.56 : 19,032.94 = 7,823.72 : x
2. Step 2: Convert to fraction form
   13,790.56/19,032.94 = 7,823.72/x
3. Step 3: Cross multiply
   13,790.56x = 19,032.94 × 7,823.72
4. Step 4: Simplify right side
   13,790.56x = 148,908,393.34
5. Step 5: Solve for x
   x = 148,908,393.34/13,790.56
6. Step 6: Final answer
   x = 10,797.85