Finding the Fourth Proportional to 83,506, 115,238.28 and 45,780.52

Step by Step Solution

1. Step 1: Write the proportion equation
   83,506 : 115,238.28 = 45,780.52 : x
2. Step 2: Convert to fraction form
   83,506/115,238.28 = 45,780.52/x
3. Step 3: Cross multiply
   83,506x = 115,238.28 × 45,780.52
4. Step 4: Simplify right side
   83,506x = 5,275,668,382.31
5. Step 5: Solve for x
   x = 5,275,668,382.31/83,506
6. Step 6: Final answer
   x = 63,177.12