Finding the Fourth Proportional to 139,554.01, 192,580.03 and 79,130.04

Step by Step Solution

1. Step 1: Write the proportion equation
   139,554.01 : 192,580.03 = 79,130.04 : x
2. Step 2: Convert to fraction form
   139,554.01/192,580.03 = 79,130.04/x
3. Step 3: Cross multiply
   139,554.01x = 192,580.03 × 79,130.04
4. Step 4: Simplify right side
   139,554.01x = 15,238,864,118.55
5. Step 5: Solve for x
   x = 15,238,864,118.55/139,554.01
6. Step 6: Final answer
   x = 109,196.89