Finding the Fourth Proportional to 79,150.22, 118,693.43 and 28,534.84

Step by Step Solution

1. Step 1: Write the proportion equation
   79,150.22 : 118,693.43 = 28,534.84 : x
2. Step 2: Convert to fraction form
   79,150.22/118,693.43 = 28,534.84/x
3. Step 3: Cross multiply
   79,150.22x = 118,693.43 × 28,534.84
4. Step 4: Simplify right side
   79,150.22x = 3,386,898,034.10
5. Step 5: Solve for x
   x = 3,386,898,034.10/79,150.22
6. Step 6: Final answer
   x = 42,790.76