Finding the Fourth Proportional to 163,996.05, 245,888.76 and 69,200.31

Step by Step Solution

1. Step 1: Write the proportion equation
   163,996.05 : 245,888.76 = 69,200.31 : x
2. Step 2: Convert to fraction form
   163,996.05/245,888.76 = 69,200.31/x
3. Step 3: Cross multiply
   163,996.05x = 245,888.76 × 69,200.31
4. Step 4: Simplify right side
   163,996.05x = 17,015,578,417.52
5. Step 5: Solve for x
   x = 17,015,578,417.52/163,996.05
6. Step 6: Final answer
   x = 103,756.03