Finding the Fourth Proportional to 69,870.56, 104,822.08 and 19,951.32

Step by Step Solution

1. Step 1: Write the proportion equation
   69,870.56 : 104,822.08 = 19,951.32 : x
2. Step 2: Convert to fraction form
   69,870.56/104,822.08 = 19,951.32/x
3. Step 3: Cross multiply
   69,870.56x = 104,822.08 × 19,951.32
4. Step 4: Simplify right side
   69,870.56x = 2,091,338,861.15
5. Step 5: Solve for x
   x = 2,091,338,861.15/69,870.56
6. Step 6: Final answer
   x = 29,931.62