Finding the Fourth Proportional to 69,302.16, 103,946.76 and 19,386.72

Step by Step Solution

1. Step 1: Write the proportion equation
   69,302.16 : 103,946.76 = 19,386.72 : x
2. Step 2: Convert to fraction form
   69,302.16/103,946.76 = 19,386.72/x
3. Step 3: Cross multiply
   69,302.16x = 103,946.76 × 19,386.72
4. Step 4: Simplify right side
   69,302.16x = 2,015,186,731.03
5. Step 5: Solve for x
   x = 2,015,186,731.03/69,302.16
6. Step 6: Final answer
   x = 29,078.27