Finding the Fourth Proportional to 57,031, 78,737.34 and 37,193.56

Step by Step Solution

1. Step 1: Write the proportion equation
   57,031 : 78,737.34 = 37,193.56 : x
2. Step 2: Convert to fraction form
   57,031/78,737.34 = 37,193.56/x
3. Step 3: Cross multiply
   57,031x = 78,737.34 × 37,193.56
4. Step 4: Simplify right side
   57,031x = 2,928,521,979.53
5. Step 5: Solve for x
   x = 2,928,521,979.53/57,031
6. Step 6: Final answer
   x = 51,349.65