Finding the Fourth Proportional to 103,425.59, 142,742.76 and 63,162.52

Step by Step Solution

1. Step 1: Write the proportion equation
   103,425.59 : 142,742.76 = 63,162.52 : x
2. Step 2: Convert to fraction form
   103,425.59/142,742.76 = 63,162.52/x
3. Step 3: Cross multiply
   103,425.59x = 142,742.76 × 63,162.52
4. Step 4: Simplify right side
   103,425.59x = 9,015,991,839.64
5. Step 5: Solve for x
   x = 9,015,991,839.64/103,425.59
6. Step 6: Final answer
   x = 87,173.70