Finding the Fourth Proportional to 31,511.21, 43,483.42 and 17,364.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,511.21 : 43,483.42 = 17,364.05 : x
2. Step 2: Convert to fraction form
   31,511.21/43,483.42 = 17,364.05/x
3. Step 3: Cross multiply
   31,511.21x = 43,483.42 × 17,364.05
4. Step 4: Simplify right side
   31,511.21x = 755,048,409.46
5. Step 5: Solve for x
   x = 755,048,409.46/31,511.21
6. Step 6: Final answer
   x = 23,961.26