Finding the Fourth Proportional to 71,443.72, 98,302.56 and 58,649.84

Step by Step Solution

1. Step 1: Write the proportion equation
   71,443.72 : 98,302.56 = 58,649.84 : x
2. Step 2: Convert to fraction form
   71,443.72/98,302.56 = 58,649.84/x
3. Step 3: Cross multiply
   71,443.72x = 98,302.56 × 58,649.84
4. Step 4: Simplify right side
   71,443.72x = 5,765,429,415.59
5. Step 5: Solve for x
   x = 5,765,429,415.59/71,443.72
6. Step 6: Final answer
   x = 80,698.90