Finding the Fourth Proportional to 407,916.72, 562,881.72 and 235,807.41

Step by Step Solution

1. Step 1: Write the proportion equation
   407,916.72 : 562,881.72 = 235,807.41 : x
2. Step 2: Convert to fraction form
   407,916.72/562,881.72 = 235,807.41/x
3. Step 3: Cross multiply
   407,916.72x = 562,881.72 × 235,807.41
4. Step 4: Simplify right side
   407,916.72x = 132,731,680,529.55
5. Step 5: Solve for x
   x = 132,731,680,529.55/407,916.72
6. Step 6: Final answer
   x = 325,389.16