Finding the Fourth Proportional to 78,942, 118,471.32 and 37,389

Step by Step Solution

1. Step 1: Write the proportion equation
   78,942 : 118,471.32 = 37,389 : x
2. Step 2: Convert to fraction form
   78,942/118,471.32 = 37,389/x
3. Step 3: Cross multiply
   78,942x = 118,471.32 × 37,389
4. Step 4: Simplify right side
   78,942x = 4,429,524,183.48
5. Step 5: Solve for x
   x = 4,429,524,183.48/78,942
6. Step 6: Final answer
   x = 56,111.12