Finding the Fourth Proportional to 610,012.42, 915,141.04 and 210,667.84

Step by Step Solution

1. Step 1: Write the proportion equation
   610,012.42 : 915,141.04 = 210,667.84 : x
2. Step 2: Convert to fraction form
   610,012.42/915,141.04 = 210,667.84/x
3. Step 3: Cross multiply
   610,012.42x = 915,141.04 × 210,667.84
4. Step 4: Simplify right side
   610,012.42x = 192,790,786,192.15
5. Step 5: Solve for x
   x = 192,790,786,192.15/610,012.42
6. Step 6: Final answer
   x = 316,044.03