Finding the Fourth Proportional to 10,062.72, 13,892.64 and 7,820.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,062.72 : 13,892.64 = 7,820.37 : x
2. Step 2: Convert to fraction form
   10,062.72/13,892.64 = 7,820.37/x
3. Step 3: Cross multiply
   10,062.72x = 13,892.64 × 7,820.37
4. Step 4: Simplify right side
   10,062.72x = 108,645,585.08
5. Step 5: Solve for x
   x = 108,645,585.08/10,062.72
6. Step 6: Final answer
   x = 10,796.84