Finding the Fourth Proportional to 99,771.42, 149,698.17 and 73,252.83

Step by Step Solution

1. Step 1: Write the proportion equation
   99,771.42 : 149,698.17 = 73,252.83 : x
2. Step 2: Convert to fraction form
   99,771.42/149,698.17 = 73,252.83/x
3. Step 3: Cross multiply
   99,771.42x = 149,698.17 × 73,252.83
4. Step 4: Simplify right side
   99,771.42x = 10,965,814,598.32
5. Step 5: Solve for x
   x = 10,965,814,598.32/99,771.42
6. Step 6: Final answer
   x = 109,909.38