Finding the Fourth Proportional to 13,820.04, 19,072.17 and 7,852.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,820.04 : 19,072.17 = 7,852.72 : x
2. Step 2: Convert to fraction form
   13,820.04/19,072.17 = 7,852.72/x
3. Step 3: Cross multiply
   13,820.04x = 19,072.17 × 7,852.72
4. Step 4: Simplify right side
   13,820.04x = 149,768,410.80
5. Step 5: Solve for x
   x = 149,768,410.80/13,820.04
6. Step 6: Final answer
   x = 10,837.05