Finding the Fourth Proportional to 103,464.36, 142,776.72 and 63,245.34

Step by Step Solution

1. Step 1: Write the proportion equation
   103,464.36 : 142,776.72 = 63,245.34 : x
2. Step 2: Convert to fraction form
   103,464.36/142,776.72 = 63,245.34/x
3. Step 3: Cross multiply
   103,464.36x = 142,776.72 × 63,245.34
4. Step 4: Simplify right side
   103,464.36x = 9,029,962,200.48
5. Step 5: Solve for x
   x = 9,029,962,200.48/103,464.36
6. Step 6: Final answer
   x = 87,276.06