Finding the Fourth Proportional to 175,123.48, 241,673.34 and 99,679

Step by Step Solution

1. Step 1: Write the proportion equation
   175,123.48 : 241,673.34 = 99,679 : x
2. Step 2: Convert to fraction form
   175,123.48/241,673.34 = 99,679/x
3. Step 3: Cross multiply
   175,123.48x = 241,673.34 × 99,679
4. Step 4: Simplify right side
   175,123.48x = 24,089,756,857.86
5. Step 5: Solve for x
   x = 24,089,756,857.86/175,123.48
6. Step 6: Final answer
   x = 137,558.69