Finding the Fourth Proportional to 34,947.16, 47,955.83 and 31,779.16

Step by Step Solution

1. Step 1: Write the proportion equation
   34,947.16 : 47,955.83 = 31,779.16 : x
2. Step 2: Convert to fraction form
   34,947.16/47,955.83 = 31,779.16/x
3. Step 3: Cross multiply
   34,947.16x = 47,955.83 × 31,779.16
4. Step 4: Simplify right side
   34,947.16x = 1,523,995,994.50
5. Step 5: Solve for x
   x = 1,523,995,994.50/34,947.16
6. Step 6: Final answer
   x = 43,608.58