Finding the Fourth Proportional to 83,248, 114,882.72 and 53,440

Step by Step Solution

1. Step 1: Write the proportion equation
   83,248 : 114,882.72 = 53,440 : x
2. Step 2: Convert to fraction form
   83,248/114,882.72 = 53,440/x
3. Step 3: Cross multiply
   83,248x = 114,882.72 × 53,440
4. Step 4: Simplify right side
   83,248x = 6,139,332,556.80
5. Step 5: Solve for x
   x = 6,139,332,556.80/83,248
6. Step 6: Final answer
   x = 73,747.51