Finding the Fourth Proportional to 308,443.50, 462,674.34 and 83,802.72

Step by Step Solution

1. Step 1: Write the proportion equation
   308,443.50 : 462,674.34 = 83,802.72 : x
2. Step 2: Convert to fraction form
   308,443.50/462,674.34 = 83,802.72/x
3. Step 3: Cross multiply
   308,443.50x = 462,674.34 × 83,802.72
4. Step 4: Simplify right side
   308,443.50x = 38,773,368,166.20
5. Step 5: Solve for x
   x = 38,773,368,166.20/308,443.50
6. Step 6: Final answer
   x = 125,706.55