Finding the Fourth Proportional to 47,158.40, 70,779.83 and 42,152.81

Step by Step Solution

1. Step 1: Write the proportion equation
   47,158.40 : 70,779.83 = 42,152.81 : x
2. Step 2: Convert to fraction form
   47,158.40/70,779.83 = 42,152.81/x
3. Step 3: Cross multiply
   47,158.40x = 70,779.83 × 42,152.81
4. Step 4: Simplify right side
   47,158.40x = 2,983,568,161.16
5. Step 5: Solve for x
   x = 2,983,568,161.16/47,158.40
6. Step 6: Final answer
   x = 63,266.95