Finding the Fourth Proportional to 37,172.52, 55,715.58 and 13,784.04

Step by Step Solution

1. Step 1: Write the proportion equation
   37,172.52 : 55,715.58 = 13,784.04 : x
2. Step 2: Convert to fraction form
   37,172.52/55,715.58 = 13,784.04/x
3. Step 3: Cross multiply
   37,172.52x = 55,715.58 × 13,784.04
4. Step 4: Simplify right side
   37,172.52x = 767,985,783.34
5. Step 5: Solve for x
   x = 767,985,783.34/37,172.52
6. Step 6: Final answer
   x = 20,660.04