Finding the Fourth Proportional to 37,805.60, 52,170.72 and 21,038.24

Step by Step Solution

1. Step 1: Write the proportion equation
   37,805.60 : 52,170.72 = 21,038.24 : x
2. Step 2: Convert to fraction form
   37,805.60/52,170.72 = 21,038.24/x
3. Step 3: Cross multiply
   37,805.60x = 52,170.72 × 21,038.24
4. Step 4: Simplify right side
   37,805.60x = 1,097,580,128.33
5. Step 5: Solve for x
   x = 1,097,580,128.33/37,805.60
6. Step 6: Final answer
   x = 29,032.21