Finding the Fourth Proportional to 78,725.96, 108,641.22 and 42,916.84

Step by Step Solution

1. Step 1: Write the proportion equation
   78,725.96 : 108,641.22 = 42,916.84 : x
2. Step 2: Convert to fraction form
   78,725.96/108,641.22 = 42,916.84/x
3. Step 3: Cross multiply
   78,725.96x = 108,641.22 × 42,916.84
4. Step 4: Simplify right side
   78,725.96x = 4,662,537,856.14
5. Step 5: Solve for x
   x = 4,662,537,856.14/78,725.96
6. Step 6: Final answer
   x = 59,224.91