Finding the Fourth Proportional to 37,820.52, 52,192.30 and 21,057.48

Step by Step Solution

1. Step 1: Write the proportion equation
   37,820.52 : 52,192.30 = 21,057.48 : x
2. Step 2: Convert to fraction form
   37,820.52/52,192.30 = 21,057.48/x
3. Step 3: Cross multiply
   37,820.52x = 52,192.30 × 21,057.48
4. Step 4: Simplify right side
   37,820.52x = 1,099,038,313.40
5. Step 5: Solve for x
   x = 1,099,038,313.40/37,820.52
6. Step 6: Final answer
   x = 29,059.31