Finding the Fourth Proportional to 109,012.79, 150,424.12 and 63,080.32

Step by Step Solution

1. Step 1: Write the proportion equation
   109,012.79 : 150,424.12 = 63,080.32 : x
2. Step 2: Convert to fraction form
   109,012.79/150,424.12 = 63,080.32/x
3. Step 3: Cross multiply
   109,012.79x = 150,424.12 × 63,080.32
4. Step 4: Simplify right side
   109,012.79x = 9,488,801,625.32
5. Step 5: Solve for x
   x = 9,488,801,625.32/109,012.79
6. Step 6: Final answer
   x = 87,043.01