Finding the Fourth Proportional to 45,892.69, 68,810.34 and 19,231.47

Step by Step Solution

1. Step 1: Write the proportion equation
   45,892.69 : 68,810.34 = 19,231.47 : x
2. Step 2: Convert to fraction form
   45,892.69/68,810.34 = 19,231.47/x
3. Step 3: Cross multiply
   45,892.69x = 68,810.34 × 19,231.47
4. Step 4: Simplify right side
   45,892.69x = 1,323,323,817.37
5. Step 5: Solve for x
   x = 1,323,323,817.37/45,892.69
6. Step 6: Final answer
   x = 28,835.18