Finding the Fourth Proportional to 30,477.16, 42,065.22 and 19,297

Step by Step Solution

1. Step 1: Write the proportion equation
   30,477.16 : 42,065.22 = 19,297 : x
2. Step 2: Convert to fraction form
   30,477.16/42,065.22 = 19,297/x
3. Step 3: Cross multiply
   30,477.16x = 42,065.22 × 19,297
4. Step 4: Simplify right side
   30,477.16x = 811,732,550.34
5. Step 5: Solve for x
   x = 811,732,550.34/30,477.16
6. Step 6: Final answer
   x = 26,634.13