Finding the Fourth Proportional to 58,561.31, 80,814.59 and 31,703.80

Step by Step Solution

1. Step 1: Write the proportion equation
   58,561.31 : 80,814.59 = 31,703.80 : x
2. Step 2: Convert to fraction form
   58,561.31/80,814.59 = 31,703.80/x
3. Step 3: Cross multiply
   58,561.31x = 80,814.59 × 31,703.80
4. Step 4: Simplify right side
   58,561.31x = 2,562,129,598.44
5. Step 5: Solve for x
   x = 2,562,129,598.44/58,561.31
6. Step 6: Final answer
   x = 43,751.23