Finding the Fourth Proportional to 109,460.16, 164,139.20 and 56,855.52

Step by Step Solution

1. Step 1: Write the proportion equation
   109,460.16 : 164,139.20 = 56,855.52 : x
2. Step 2: Convert to fraction form
   109,460.16/164,139.20 = 56,855.52/x
3. Step 3: Cross multiply
   109,460.16x = 164,139.20 × 56,855.52
4. Step 4: Simplify right side
   109,460.16x = 9,332,218,747.69
5. Step 5: Solve for x
   x = 9,332,218,747.69/109,460.16
6. Step 6: Final answer
   x = 85,256.77