Finding the Fourth Proportional to 637,300.27, 956,094.42 and 210,835.09

Step by Step Solution

1. Step 1: Write the proportion equation
   637,300.27 : 956,094.42 = 210,835.09 : x
2. Step 2: Convert to fraction form
   637,300.27/956,094.42 = 210,835.09/x
3. Step 3: Cross multiply
   637,300.27x = 956,094.42 × 210,835.09
4. Step 4: Simplify right side
   637,300.27x = 201,578,253,089.20
5. Step 5: Solve for x
   x = 201,578,253,089.20/637,300.27
6. Step 6: Final answer
   x = 316,300.28