Finding the Fourth Proportional to 83,290.42, 114,942.54 and 45,564.67

Step by Step Solution

1. Step 1: Write the proportion equation
   83,290.42 : 114,942.54 = 45,564.67 : x
2. Step 2: Convert to fraction form
   83,290.42/114,942.54 = 45,564.67/x
3. Step 3: Cross multiply
   83,290.42x = 114,942.54 × 45,564.67
4. Step 4: Simplify right side
   83,290.42x = 5,237,318,904.06
5. Step 5: Solve for x
   x = 5,237,318,904.06/83,290.42
6. Step 6: Final answer
   x = 62,880.21