Finding the Fourth Proportional to 57,395.34, 79,201.72 and 31,900.05

Step by Step Solution

1. Step 1: Write the proportion equation
   57,395.34 : 79,201.72 = 31,900.05 : x
2. Step 2: Convert to fraction form
   57,395.34/79,201.72 = 31,900.05/x
3. Step 3: Cross multiply
   57,395.34x = 79,201.72 × 31,900.05
4. Step 4: Simplify right side
   57,395.34x = 2,526,538,748.34
5. Step 5: Solve for x
   x = 2,526,538,748.34/57,395.34
6. Step 6: Final answer
   x = 44,019.93