Finding the Fourth Proportional to 136,564.72, 204,706.38 and 52,301.92

Step by Step Solution

1. Step 1: Write the proportion equation
   136,564.72 : 204,706.38 = 52,301.92 : x
2. Step 2: Convert to fraction form
   136,564.72/204,706.38 = 52,301.92/x
3. Step 3: Cross multiply
   136,564.72x = 204,706.38 × 52,301.92
4. Step 4: Simplify right side
   136,564.72x = 10,706,536,710.25
5. Step 5: Solve for x
   x = 10,706,536,710.25/136,564.72
6. Step 6: Final answer
   x = 78,398.99