Finding the Fourth Proportional to 86,196.10, 129,017.13 and 46,115.08

Step by Step Solution

1. Step 1: Write the proportion equation
   86,196.10 : 129,017.13 = 46,115.08 : x
2. Step 2: Convert to fraction form
   86,196.10/129,017.13 = 46,115.08/x
3. Step 3: Cross multiply
   86,196.10x = 129,017.13 × 46,115.08
4. Step 4: Simplify right side
   86,196.10x = 5,949,635,271.32
5. Step 5: Solve for x
   x = 5,949,635,271.32/86,196.10
6. Step 6: Final answer
   x = 69,024.41