Finding the Fourth Proportional to 109,785.32, 164,663.40 and 30,906.32

Step by Step Solution

1. Step 1: Write the proportion equation
   109,785.32 : 164,663.40 = 30,906.32 : x
2. Step 2: Convert to fraction form
   109,785.32/164,663.40 = 30,906.32/x
3. Step 3: Cross multiply
   109,785.32x = 164,663.40 × 30,906.32
4. Step 4: Simplify right side
   109,785.32x = 5,089,139,732.69
5. Step 5: Solve for x
   x = 5,089,139,732.69/109,785.32
6. Step 6: Final answer
   x = 46,355.38