Finding the Fourth Proportional to 37,953.78, 52,327.46 and 31,122.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,953.78 : 52,327.46 = 31,122.72 : x
2. Step 2: Convert to fraction form
   37,953.78/52,327.46 = 31,122.72/x
3. Step 3: Cross multiply
   37,953.78x = 52,327.46 × 31,122.72
4. Step 4: Simplify right side
   37,953.78x = 1,628,572,885.89
5. Step 5: Solve for x
   x = 1,628,572,885.89/37,953.78
6. Step 6: Final answer
   x = 42,909.37