Finding the Fourth Proportional to 83,436.42, 115,142.40 and 45,196.08

Step by Step Solution

1. Step 1: Write the proportion equation
   83,436.42 : 115,142.40 = 45,196.08 : x
2. Step 2: Convert to fraction form
   83,436.42/115,142.40 = 45,196.08/x
3. Step 3: Cross multiply
   83,436.42x = 115,142.40 × 45,196.08
4. Step 4: Simplify right side
   83,436.42x = 5,203,985,121.79
5. Step 5: Solve for x
   x = 5,203,985,121.79/83,436.42
6. Step 6: Final answer
   x = 62,370.67