Finding the Fourth Proportional to 52,851.43, 79,171.52 and 31,779.94

Step by Step Solution

1. Step 1: Write the proportion equation
   52,851.43 : 79,171.52 = 31,779.94 : x
2. Step 2: Convert to fraction form
   52,851.43/79,171.52 = 31,779.94/x
3. Step 3: Cross multiply
   52,851.43x = 79,171.52 × 31,779.94
4. Step 4: Simplify right side
   52,851.43x = 2,516,066,155.31
5. Step 5: Solve for x
   x = 2,516,066,155.31/52,851.43
6. Step 6: Final answer
   x = 47,606.40