Finding the Fourth Proportional to 31,460.76, 43,322.18 and 30,762.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,460.76 : 43,322.18 = 30,762.27 : x
2. Step 2: Convert to fraction form
   31,460.76/43,322.18 = 30,762.27/x
3. Step 3: Cross multiply
   31,460.76x = 43,322.18 × 30,762.27
4. Step 4: Simplify right side
   31,460.76x = 1,332,688,444.34
5. Step 5: Solve for x
   x = 1,332,688,444.34/31,460.76
6. Step 6: Final answer
   x = 42,360.34