Finding the Fourth Proportional to 58,122.81, 80,188.83 and 37,991.30

Step by Step Solution

1. Step 1: Write the proportion equation
   58,122.81 : 80,188.83 = 37,991.30 : x
2. Step 2: Convert to fraction form
   58,122.81/80,188.83 = 37,991.30/x
3. Step 3: Cross multiply
   58,122.81x = 80,188.83 × 37,991.30
4. Step 4: Simplify right side
   58,122.81x = 3,046,477,496.23
5. Step 5: Solve for x
   x = 3,046,477,496.23/58,122.81
6. Step 6: Final answer
   x = 52,414.49