Finding the Fourth Proportional to 45,659.68, 68,494.98 and 19,361

Step by Step Solution

1. Step 1: Write the proportion equation
   45,659.68 : 68,494.98 = 19,361 : x
2. Step 2: Convert to fraction form
   45,659.68/68,494.98 = 19,361/x
3. Step 3: Cross multiply
   45,659.68x = 68,494.98 × 19,361
4. Step 4: Simplify right side
   45,659.68x = 1,326,131,307.78
5. Step 5: Solve for x
   x = 1,326,131,307.78/45,659.68
6. Step 6: Final answer
   x = 29,043.82