Finding the Fourth Proportional to 163,959.52, 245,914.72 and 45,618.72

Step by Step Solution

1. Step 1: Write the proportion equation
   163,959.52 : 245,914.72 = 45,618.72 : x
2. Step 2: Convert to fraction form
   163,959.52/245,914.72 = 45,618.72/x
3. Step 3: Cross multiply
   163,959.52x = 245,914.72 × 45,618.72
4. Step 4: Simplify right side
   163,959.52x = 11,218,314,755.56
5. Step 5: Solve for x
   x = 11,218,314,755.56/163,959.52
6. Step 6: Final answer
   x = 68,421.25