Finding the Fourth Proportional to 83,611.55, 115,382.79 and 45,885.80

Step by Step Solution

1. Step 1: Write the proportion equation
   83,611.55 : 115,382.79 = 45,885.80 : x
2. Step 2: Convert to fraction form
   83,611.55/115,382.79 = 45,885.80/x
3. Step 3: Cross multiply
   83,611.55x = 115,382.79 × 45,885.80
4. Step 4: Simplify right side
   83,611.55x = 5,294,431,048.47
5. Step 5: Solve for x
   x = 5,294,431,048.47/83,611.55
6. Step 6: Final answer
   x = 63,321.77