Finding the Fourth Proportional to 87,365.58, 120,404.61 and 63,450.72

Step by Step Solution

1. Step 1: Write the proportion equation
   87,365.58 : 120,404.61 = 63,450.72 : x
2. Step 2: Convert to fraction form
   87,365.58/120,404.61 = 63,450.72/x
3. Step 3: Cross multiply
   87,365.58x = 120,404.61 × 63,450.72
4. Step 4: Simplify right side
   87,365.58x = 7,639,759,195.82
5. Step 5: Solve for x
   x = 7,639,759,195.82/87,365.58
6. Step 6: Final answer
   x = 87,445.87