Finding the Fourth Proportional to 69,656.10, 104,500.38 and 55,478.22

Step by Step Solution

1. Step 1: Write the proportion equation
   69,656.10 : 104,500.38 = 55,478.22 : x
2. Step 2: Convert to fraction form
   69,656.10/104,500.38 = 55,478.22/x
3. Step 3: Cross multiply
   69,656.10x = 104,500.38 × 55,478.22
4. Step 4: Simplify right side
   69,656.10x = 5,797,495,071.72
5. Step 5: Solve for x
   x = 5,797,495,071.72/69,656.10
6. Step 6: Final answer
   x = 83,230.26