Finding the Fourth Proportional to 31,405.86, 43,378.56 and 23,483.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,405.86 : 43,378.56 = 23,483.34 : x
2. Step 2: Convert to fraction form
   31,405.86/43,378.56 = 23,483.34/x
3. Step 3: Cross multiply
   31,405.86x = 43,378.56 × 23,483.34
4. Step 4: Simplify right side
   31,405.86x = 1,018,673,473.19
5. Step 5: Solve for x
   x = 1,018,673,473.19/31,405.86
6. Step 6: Final answer
   x = 32,435.78