Finding the Fourth Proportional to 35,434.05, 48,899 and 19,518.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,434.05 : 48,899 = 19,518.50 : x
2. Step 2: Convert to fraction form
   35,434.05/48,899 = 19,518.50/x
3. Step 3: Cross multiply
   35,434.05x = 48,899 × 19,518.50
4. Step 4: Simplify right side
   35,434.05x = 954,435,131.50
5. Step 5: Solve for x
   x = 954,435,131.50/35,434.05
6. Step 6: Final answer
   x = 26,935.54