Finding the Fourth Proportional to 58,858.56, 81,171 and 43,788.96

Step by Step Solution

1. Step 1: Write the proportion equation
   58,858.56 : 81,171 = 43,788.96 : x
2. Step 2: Convert to fraction form
   58,858.56/81,171 = 43,788.96/x
3. Step 3: Cross multiply
   58,858.56x = 81,171 × 43,788.96
4. Step 4: Simplify right side
   58,858.56x = 3,554,393,672.16
5. Step 5: Solve for x
   x = 3,554,393,672.16/58,858.56
6. Step 6: Final answer
   x = 60,388.73