Finding the Fourth Proportional to 115,698.24, 173,482.56 and 45,558.72

Step by Step Solution

1. Step 1: Write the proportion equation
   115,698.24 : 173,482.56 = 45,558.72 : x
2. Step 2: Convert to fraction form
   115,698.24/173,482.56 = 45,558.72/x
3. Step 3: Cross multiply
   115,698.24x = 173,482.56 × 45,558.72
4. Step 4: Simplify right side
   115,698.24x = 7,903,643,375.92
5. Step 5: Solve for x
   x = 7,903,643,375.92/115,698.24
6. Step 6: Final answer
   x = 68,312.56