Finding the Fourth Proportional to 69,031.02, 103,536.51 and 19,114.62

Step by Step Solution

1. Step 1: Write the proportion equation
   69,031.02 : 103,536.51 = 19,114.62 : x
2. Step 2: Convert to fraction form
   69,031.02/103,536.51 = 19,114.62/x
3. Step 3: Cross multiply
   69,031.02x = 103,536.51 × 19,114.62
4. Step 4: Simplify right side
   69,031.02x = 1,979,061,044.78
5. Step 5: Solve for x
   x = 1,979,061,044.78/69,031.02
6. Step 6: Final answer
   x = 28,669.16