Finding the Fourth Proportional to 77,556.53, 116,335.25 and 27,638.55

Step by Step Solution

1. Step 1: Write the proportion equation
   77,556.53 : 116,335.25 = 27,638.55 : x
2. Step 2: Convert to fraction form
   77,556.53/116,335.25 = 27,638.55/x
3. Step 3: Cross multiply
   77,556.53x = 116,335.25 × 27,638.55
4. Step 4: Simplify right side
   77,556.53x = 3,215,337,623.89
5. Step 5: Solve for x
   x = 3,215,337,623.89/77,556.53
6. Step 6: Final answer
   x = 41,457.99