Finding the Fourth Proportional to 30,882.72, 42,595.65 and 19,554.06

Step by Step Solution

1. Step 1: Write the proportion equation
   30,882.72 : 42,595.65 = 19,554.06 : x
2. Step 2: Convert to fraction form
   30,882.72/42,595.65 = 19,554.06/x
3. Step 3: Cross multiply
   30,882.72x = 42,595.65 × 19,554.06
4. Step 4: Simplify right side
   30,882.72x = 832,917,895.84
5. Step 5: Solve for x
   x = 832,917,895.84/30,882.72
6. Step 6: Final answer
   x = 26,970.35