Finding the Fourth Proportional to 83,556.42, 115,242.69 and 51,742.98

Step by Step Solution

1. Step 1: Write the proportion equation
   83,556.42 : 115,242.69 = 51,742.98 : x
2. Step 2: Convert to fraction form
   83,556.42/115,242.69 = 51,742.98/x
3. Step 3: Cross multiply
   83,556.42x = 115,242.69 × 51,742.98
4. Step 4: Simplify right side
   83,556.42x = 5,963,000,203.82
5. Step 5: Solve for x
   x = 5,963,000,203.82/83,556.42
6. Step 6: Final answer
   x = 71,364.96