Finding the Fourth Proportional to 112,304.62, 154,962.76 and 64,549.06

Step by Step Solution

1. Step 1: Write the proportion equation
   112,304.62 : 154,962.76 = 64,549.06 : x
2. Step 2: Convert to fraction form
   112,304.62/154,962.76 = 64,549.06/x
3. Step 3: Cross multiply
   112,304.62x = 154,962.76 × 64,549.06
4. Step 4: Simplify right side
   112,304.62x = 10,002,700,493.01
5. Step 5: Solve for x
   x = 10,002,700,493.01/112,304.62
6. Step 6: Final answer
   x = 89,067.58