Finding the Fourth Proportional to 35,911, 49,557.18 and 19,779.18

Step by Step Solution

1. Step 1: Write the proportion equation
   35,911 : 49,557.18 = 19,779.18 : x
2. Step 2: Convert to fraction form
   35,911/49,557.18 = 19,779.18/x
3. Step 3: Cross multiply
   35,911x = 49,557.18 × 19,779.18
4. Step 4: Simplify right side
   35,911x = 980,200,383.51
5. Step 5: Solve for x
   x = 980,200,383.51/35,911
6. Step 6: Final answer
   x = 27,295.27