Finding the Fourth Proportional to 35,097.30, 48,434.28 and 19,991.37

Step by Step Solution

1. Step 1: Write the proportion equation
   35,097.30 : 48,434.28 = 19,991.37 : x
2. Step 2: Convert to fraction form
   35,097.30/48,434.28 = 19,991.37/x
3. Step 3: Cross multiply
   35,097.30x = 48,434.28 × 19,991.37
4. Step 4: Simplify right side
   35,097.30x = 968,267,612.16
5. Step 5: Solve for x
   x = 968,267,612.16/35,097.30
6. Step 6: Final answer
   x = 27,588.09