Finding the Fourth Proportional to 58,647.96, 80,933.72 and 31,789.76

Step by Step Solution

1. Step 1: Write the proportion equation
   58,647.96 : 80,933.72 = 31,789.76 : x
2. Step 2: Convert to fraction form
   58,647.96/80,933.72 = 31,789.76/x
3. Step 3: Cross multiply
   58,647.96x = 80,933.72 × 31,789.76
4. Step 4: Simplify right side
   58,647.96x = 2,572,862,971.09
5. Step 5: Solve for x
   x = 2,572,862,971.09/58,647.96
6. Step 6: Final answer
   x = 43,869.61