Finding the Fourth Proportional to 83,503.45, 115,103.87 and 63,279.37

Step by Step Solution

1. Step 1: Write the proportion equation
   83,503.45 : 115,103.87 = 63,279.37 : x
2. Step 2: Convert to fraction form
   83,503.45/115,103.87 = 63,279.37/x
3. Step 3: Cross multiply
   83,503.45x = 115,103.87 × 63,279.37
4. Step 4: Simplify right side
   83,503.45x = 7,283,700,061.77
5. Step 5: Solve for x
   x = 7,283,700,061.77/83,503.45
6. Step 6: Final answer
   x = 87,226.34