Finding the Fourth Proportional to 71,904.58, 107,866.59 and 67,530.58

Step by Step Solution

1. Step 1: Write the proportion equation
   71,904.58 : 107,866.59 = 67,530.58 : x
2. Step 2: Convert to fraction form
   71,904.58/107,866.59 = 67,530.58/x
3. Step 3: Cross multiply
   71,904.58x = 107,866.59 × 67,530.58
4. Step 4: Simplify right side
   71,904.58x = 7,284,293,385.32
5. Step 5: Solve for x
   x = 7,284,293,385.32/71,904.58
6. Step 6: Final answer
   x = 101,305.00