Finding the Fourth Proportional to 37,176.05, 51,302.12 and 20,820.53

Step by Step Solution

1. Step 1: Write the proportion equation
   37,176.05 : 51,302.12 = 20,820.53 : x
2. Step 2: Convert to fraction form
   37,176.05/51,302.12 = 20,820.53/x
3. Step 3: Cross multiply
   37,176.05x = 51,302.12 × 20,820.53
4. Step 4: Simplify right side
   37,176.05x = 1,068,136,967.91
5. Step 5: Solve for x
   x = 1,068,136,967.91/37,176.05
6. Step 6: Final answer
   x = 28,731.86