Finding the Fourth Proportional to 109,570.52, 164,429.60 and 43,002.79

Step by Step Solution

1. Step 1: Write the proportion equation
   109,570.52 : 164,429.60 = 43,002.79 : x
2. Step 2: Convert to fraction form
   109,570.52/164,429.60 = 43,002.79/x
3. Step 3: Cross multiply
   109,570.52x = 164,429.60 × 43,002.79
4. Step 4: Simplify right side
   109,570.52x = 7,070,930,932.50
5. Step 5: Solve for x
   x = 7,070,930,932.50/109,570.52
6. Step 6: Final answer
   x = 64,533.15