Finding the Fourth Proportional to 58,105.50, 80,188.21 and 45,508.38

Step by Step Solution

1. Step 1: Write the proportion equation
   58,105.50 : 80,188.21 = 45,508.38 : x
2. Step 2: Convert to fraction form
   58,105.50/80,188.21 = 45,508.38/x
3. Step 3: Cross multiply
   58,105.50x = 80,188.21 × 45,508.38
4. Step 4: Simplify right side
   58,105.50x = 3,649,235,131.26
5. Step 5: Solve for x
   x = 3,649,235,131.26/58,105.50
6. Step 6: Final answer
   x = 62,803.61