Finding the Fourth Proportional to 37,820.16, 56,725.92 and 10,120.32

Step by Step Solution

1. Step 1: Write the proportion equation
   37,820.16 : 56,725.92 = 10,120.32 : x
2. Step 2: Convert to fraction form
   37,820.16/56,725.92 = 10,120.32/x
3. Step 3: Cross multiply
   37,820.16x = 56,725.92 × 10,120.32
4. Step 4: Simplify right side
   37,820.16x = 574,084,462.69
5. Step 5: Solve for x
   x = 574,084,462.69/37,820.16
6. Step 6: Final answer
   x = 15,179.32