Finding the Fourth Proportional to 35,810.71, 49,419.90 and 19,896.43

Step by Step Solution

1. Step 1: Write the proportion equation
   35,810.71 : 49,419.90 = 19,896.43 : x
2. Step 2: Convert to fraction form
   35,810.71/49,419.90 = 19,896.43/x
3. Step 3: Cross multiply
   35,810.71x = 49,419.90 × 19,896.43
4. Step 4: Simplify right side
   35,810.71x = 983,279,580.96
5. Step 5: Solve for x
   x = 983,279,580.96/35,810.71
6. Step 6: Final answer
   x = 27,457.70