Finding the Fourth Proportional to 59,918.76, 89,886.78 and 18,369

Step by Step Solution

1. Step 1: Write the proportion equation
   59,918.76 : 89,886.78 = 18,369 : x
2. Step 2: Convert to fraction form
   59,918.76/89,886.78 = 18,369/x
3. Step 3: Cross multiply
   59,918.76x = 89,886.78 × 18,369
4. Step 4: Simplify right side
   59,918.76x = 1,651,130,261.82
5. Step 5: Solve for x
   x = 1,651,130,261.82/59,918.76
6. Step 6: Final answer
   x = 27,556.15