Finding the Fourth Proportional to 52,465.07, 72,315.38 and 37,131.78

Step by Step Solution

1. Step 1: Write the proportion equation
   52,465.07 : 72,315.38 = 37,131.78 : x
2. Step 2: Convert to fraction form
   52,465.07/72,315.38 = 37,131.78/x
3. Step 3: Cross multiply
   52,465.07x = 72,315.38 × 37,131.78
4. Step 4: Simplify right side
   52,465.07x = 2,685,199,144.79
5. Step 5: Solve for x
   x = 2,685,199,144.79/52,465.07
6. Step 6: Final answer
   x = 51,180.71