Finding the Fourth Proportional to 105,070.56, 157,613.52 and 30,187.68

Step by Step Solution

1. Step 1: Write the proportion equation
   105,070.56 : 157,613.52 = 30,187.68 : x
2. Step 2: Convert to fraction form
   105,070.56/157,613.52 = 30,187.68/x
3. Step 3: Cross multiply
   105,070.56x = 157,613.52 × 30,187.68
4. Step 4: Simplify right side
   105,070.56x = 4,757,986,505.43
5. Step 5: Solve for x
   x = 4,757,986,505.43/105,070.56
6. Step 6: Final answer
   x = 45,283.73