Finding the Fourth Proportional to 37,737.79, 52,076.24 and 20,970.43

Step by Step Solution

1. Step 1: Write the proportion equation
   37,737.79 : 52,076.24 = 20,970.43 : x
2. Step 2: Convert to fraction form
   37,737.79/52,076.24 = 20,970.43/x
3. Step 3: Cross multiply
   37,737.79x = 52,076.24 × 20,970.43
4. Step 4: Simplify right side
   37,737.79x = 1,092,061,145.58
5. Step 5: Solve for x
   x = 1,092,061,145.58/37,737.79
6. Step 6: Final answer
   x = 28,938.13