Finding the Fourth Proportional to 71,659.31, 107,491.38 and 19,068.84

Step by Step Solution

1. Step 1: Write the proportion equation
   71,659.31 : 107,491.38 = 19,068.84 : x
2. Step 2: Convert to fraction form
   71,659.31/107,491.38 = 19,068.84/x
3. Step 3: Cross multiply
   71,659.31x = 107,491.38 × 19,068.84
4. Step 4: Simplify right side
   71,659.31x = 2,049,735,926.60
5. Step 5: Solve for x
   x = 2,049,735,926.60/71,659.31
6. Step 6: Final answer
   x = 28,603.90