Finding the Fourth Proportional to 105,307.56, 157,958.10 and 35,187.48

Step by Step Solution

1. Step 1: Write the proportion equation
   105,307.56 : 157,958.10 = 35,187.48 : x
2. Step 2: Convert to fraction form
   105,307.56/157,958.10 = 35,187.48/x
3. Step 3: Cross multiply
   105,307.56x = 157,958.10 × 35,187.48
4. Step 4: Simplify right side
   105,307.56x = 5,558,147,484.59
5. Step 5: Solve for x
   x = 5,558,147,484.59/105,307.56
6. Step 6: Final answer
   x = 52,780.14