Finding the Fourth Proportional to 31,597.30, 43,601.61 and 19,494.37

Step by Step Solution

1. Step 1: Write the proportion equation
   31,597.30 : 43,601.61 = 19,494.37 : x
2. Step 2: Convert to fraction form
   31,597.30/43,601.61 = 19,494.37/x
3. Step 3: Cross multiply
   31,597.30x = 43,601.61 × 19,494.37
4. Step 4: Simplify right side
   31,597.30x = 849,985,917.94
5. Step 5: Solve for x
   x = 849,985,917.94/31,597.30
6. Step 6: Final answer
   x = 26,900.59