Finding the Fourth Proportional to 35,641.16, 49,178.98 and 19,722.57

Step by Step Solution

1. Step 1: Write the proportion equation
   35,641.16 : 49,178.98 = 19,722.57 : x
2. Step 2: Convert to fraction form
   35,641.16/49,178.98 = 19,722.57/x
3. Step 3: Cross multiply
   35,641.16x = 49,178.98 × 19,722.57
4. Step 4: Simplify right side
   35,641.16x = 969,935,875.58
5. Step 5: Solve for x
   x = 969,935,875.58/35,641.16
6. Step 6: Final answer
   x = 27,213.93