Finding the Fourth Proportional to 115,686.42, 173,528.28 and 45,566.34

Step by Step Solution

1. Step 1: Write the proportion equation
   115,686.42 : 173,528.28 = 45,566.34 : x
2. Step 2: Convert to fraction form
   115,686.42/173,528.28 = 45,566.34/x
3. Step 3: Cross multiply
   115,686.42x = 173,528.28 × 45,566.34
4. Step 4: Simplify right side
   115,686.42x = 7,907,048,606.10
5. Step 5: Solve for x
   x = 7,907,048,606.10/115,686.42
6. Step 6: Final answer
   x = 68,348.98