Finding the Fourth Proportional to 118,264, 163,204.32 and 65,272

Step by Step Solution

1. Step 1: Write the proportion equation
   118,264 : 163,204.32 = 65,272 : x
2. Step 2: Convert to fraction form
   118,264/163,204.32 = 65,272/x
3. Step 3: Cross multiply
   118,264x = 163,204.32 × 65,272
4. Step 4: Simplify right side
   118,264x = 10,652,672,375.04
5. Step 5: Solve for x
   x = 10,652,672,375.04/118,264
6. Step 6: Final answer
   x = 90,075.36