Finding the Fourth Proportional to 69,196.10, 103,621.35 and 45,695.30

Step by Step Solution

1. Step 1: Write the proportion equation
   69,196.10 : 103,621.35 = 45,695.30 : x
2. Step 2: Convert to fraction form
   69,196.10/103,621.35 = 45,695.30/x
3. Step 3: Cross multiply
   69,196.10x = 103,621.35 × 45,695.30
4. Step 4: Simplify right side
   69,196.10x = 4,735,008,674.66
5. Step 5: Solve for x
   x = 4,735,008,674.66/69,196.10
6. Step 6: Final answer
   x = 68,428.84