Finding the Fourth Proportional to 58,459.50, 80,620.30 and 38,309.06

Step by Step Solution

1. Step 1: Write the proportion equation
   58,459.50 : 80,620.30 = 38,309.06 : x
2. Step 2: Convert to fraction form
   58,459.50/80,620.30 = 38,309.06/x
3. Step 3: Cross multiply
   58,459.50x = 80,620.30 × 38,309.06
4. Step 4: Simplify right side
   58,459.50x = 3,088,487,506.82
5. Step 5: Solve for x
   x = 3,088,487,506.82/58,459.50
6. Step 6: Final answer
   x = 52,831.24