Finding the Fourth Proportional to 71,659.05, 107,491.01 and 19,068.59

Step by Step Solution

1. Step 1: Write the proportion equation
   71,659.05 : 107,491.01 = 19,068.59 : x
2. Step 2: Convert to fraction form
   71,659.05/107,491.01 = 19,068.59/x
3. Step 3: Cross multiply
   71,659.05x = 107,491.01 × 19,068.59
4. Step 4: Simplify right side
   71,659.05x = 2,049,701,681.98
5. Step 5: Solve for x
   x = 2,049,701,681.98/71,659.05
6. Step 6: Final answer
   x = 28,603.53