Finding the Fourth Proportional to 58,561.58, 80,814.42 and 31,703.40

Step by Step Solution

1. Step 1: Write the proportion equation
   58,561.58 : 80,814.42 = 31,703.40 : x
2. Step 2: Convert to fraction form
   58,561.58/80,814.42 = 31,703.40/x
3. Step 3: Cross multiply
   58,561.58x = 80,814.42 × 31,703.40
4. Step 4: Simplify right side
   58,561.58x = 2,562,091,883.03
5. Step 5: Solve for x
   x = 2,562,091,883.03/58,561.58
6. Step 6: Final answer
   x = 43,750.39