Finding the Fourth Proportional to 147,048, 202,926.48 and 79,980

Step by Step Solution

1. Step 1: Write the proportion equation
   147,048 : 202,926.48 = 79,980 : x
2. Step 2: Convert to fraction form
   147,048/202,926.48 = 79,980/x
3. Step 3: Cross multiply
   147,048x = 202,926.48 × 79,980
4. Step 4: Simplify right side
   147,048x = 16,230,059,870.40
5. Step 5: Solve for x
   x = 16,230,059,870.40/147,048
6. Step 6: Final answer
   x = 110,372.53