Finding the Fourth Proportional to 52,733.08, 79,109.34 and 42,958

Step by Step Solution

1. Step 1: Write the proportion equation
   52,733.08 : 79,109.34 = 42,958 : x
2. Step 2: Convert to fraction form
   52,733.08/79,109.34 = 42,958/x
3. Step 3: Cross multiply
   52,733.08x = 79,109.34 × 42,958
4. Step 4: Simplify right side
   52,733.08x = 3,398,379,027.72
5. Step 5: Solve for x
   x = 3,398,379,027.72/52,733.08
6. Step 6: Final answer
   x = 64,444.92