Finding the Fourth Proportional to 86,100.33, 129,176.01 and 41,155.32

Step by Step Solution

1. Step 1: Write the proportion equation
   86,100.33 : 129,176.01 = 41,155.32 : x
2. Step 2: Convert to fraction form
   86,100.33/129,176.01 = 41,155.32/x
3. Step 3: Cross multiply
   86,100.33x = 129,176.01 × 41,155.32
4. Step 4: Simplify right side
   86,100.33x = 5,316,280,027.87
5. Step 5: Solve for x
   x = 5,316,280,027.87/86,100.33
6. Step 6: Final answer
   x = 61,745.18