Finding the Fourth Proportional to 71,573.63, 98,780.72 and 43,279.52

Step by Step Solution

1. Step 1: Write the proportion equation
   71,573.63 : 98,780.72 = 43,279.52 : x
2. Step 2: Convert to fraction form
   71,573.63/98,780.72 = 43,279.52/x
3. Step 3: Cross multiply
   71,573.63x = 98,780.72 × 43,279.52
4. Step 4: Simplify right side
   71,573.63x = 4,275,181,436.55
5. Step 5: Solve for x
   x = 4,275,181,436.55/71,573.63
6. Step 6: Final answer
   x = 59,731.24