Finding the Fourth Proportional to 108,675.34, 149,984.27 and 72,374.79

Step by Step Solution

1. Step 1: Write the proportion equation
   108,675.34 : 149,984.27 = 72,374.79 : x
2. Step 2: Convert to fraction form
   108,675.34/149,984.27 = 72,374.79/x
3. Step 3: Cross multiply
   108,675.34x = 149,984.27 × 72,374.79
4. Step 4: Simplify right side
   108,675.34x = 10,855,080,044.55
5. Step 5: Solve for x
   x = 10,855,080,044.55/108,675.34
6. Step 6: Final answer
   x = 99,885.40