Finding the Fourth Proportional to 109,330.86, 164,037.60 and 42,818.52

Step by Step Solution

1. Step 1: Write the proportion equation
   109,330.86 : 164,037.60 = 42,818.52 : x
2. Step 2: Convert to fraction form
   109,330.86/164,037.60 = 42,818.52/x
3. Step 3: Cross multiply
   109,330.86x = 164,037.60 × 42,818.52
4. Step 4: Simplify right side
   109,330.86x = 7,023,847,256.35
5. Step 5: Solve for x
   x = 7,023,847,256.35/109,330.86
6. Step 6: Final answer
   x = 64,243.96