Finding the Fourth Proportional to 118,404, 163,397.52 and 65,412

Step by Step Solution

1. Step 1: Write the proportion equation
   118,404 : 163,397.52 = 65,412 : x
2. Step 2: Convert to fraction form
   118,404/163,397.52 = 65,412/x
3. Step 3: Cross multiply
   118,404x = 163,397.52 × 65,412
4. Step 4: Simplify right side
   118,404x = 10,688,158,578.24
5. Step 5: Solve for x
   x = 10,688,158,578.24/118,404
6. Step 6: Final answer
   x = 90,268.56