Finding the Fourth Proportional to 86,196.35, 129,017.50 and 46,115.32

Step by Step Solution

1. Step 1: Write the proportion equation
   86,196.35 : 129,017.50 = 46,115.32 : x
2. Step 2: Convert to fraction form
   86,196.35/129,017.50 = 46,115.32/x
3. Step 3: Cross multiply
   86,196.35x = 129,017.50 × 46,115.32
4. Step 4: Simplify right side
   86,196.35x = 5,949,683,298.10
5. Step 5: Solve for x
   x = 5,949,683,298.10/86,196.35
6. Step 6: Final answer
   x = 69,024.77