Finding the Fourth Proportional to 45,906, 68,870.52 and 13,074

Step by Step Solution

1. Step 1: Write the proportion equation
   45,906 : 68,870.52 = 13,074 : x
2. Step 2: Convert to fraction form
   45,906/68,870.52 = 13,074/x
3. Step 3: Cross multiply
   45,906x = 68,870.52 × 13,074
4. Step 4: Simplify right side
   45,906x = 900,413,178.48
5. Step 5: Solve for x
   x = 900,413,178.48/45,906
6. Step 6: Final answer
   x = 19,614.28