Finding the Fourth Proportional to 83,436.02, 115,152.64 and 47,617.82

Step by Step Solution

1. Step 1: Write the proportion equation
   83,436.02 : 115,152.64 = 47,617.82 : x
2. Step 2: Convert to fraction form
   83,436.02/115,152.64 = 47,617.82/x
3. Step 3: Cross multiply
   83,436.02x = 115,152.64 × 47,617.82
4. Step 4: Simplify right side
   83,436.02x = 5,483,317,684.04
5. Step 5: Solve for x
   x = 5,483,317,684.04/83,436.02
6. Step 6: Final answer
   x = 65,718.83