Finding the Fourth Proportional to 308,271.96, 462,417.42 and 83,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   308,271.96 : 462,417.42 = 83,631.50 : x
2. Step 2: Convert to fraction form
   308,271.96/462,417.42 = 83,631.50/x
3. Step 3: Cross multiply
   308,271.96x = 462,417.42 × 83,631.50
4. Step 4: Simplify right side
   308,271.96x = 38,672,662,460.73
5. Step 5: Solve for x
   x = 38,672,662,460.73/308,271.96
6. Step 6: Final answer
   x = 125,449.82