Finding the Fourth Proportional to 152,299, 210,143.46 and 98,576.56

Step by Step Solution

1. Step 1: Write the proportion equation
   152,299 : 210,143.46 = 98,576.56 : x
2. Step 2: Convert to fraction form
   152,299/210,143.46 = 98,576.56/x
3. Step 3: Cross multiply
   152,299x = 210,143.46 × 98,576.56
4. Step 4: Simplify right side
   152,299x = 20,715,219,393.30
5. Step 5: Solve for x
   x = 20,715,219,393.30/152,299
6. Step 6: Final answer
   x = 136,016.78