Finding the Fourth Proportional to 219,098.98, 302,370.42 and 123,570.82

Step by Step Solution

1. Step 1: Write the proportion equation
   219,098.98 : 302,370.42 = 123,570.82 : x
2. Step 2: Convert to fraction form
   219,098.98/302,370.42 = 123,570.82/x
3. Step 3: Cross multiply
   219,098.98x = 302,370.42 × 123,570.82
4. Step 4: Simplify right side
   219,098.98x = 37,364,160,743.14
5. Step 5: Solve for x
   x = 37,364,160,743.14/219,098.98
6. Step 6: Final answer
   x = 170,535.53