Finding the Fourth Proportional to 139,976.53, 193,167.61 and 79,547.29

Step by Step Solution

1. Step 1: Write the proportion equation
   139,976.53 : 193,167.61 = 79,547.29 : x
2. Step 2: Convert to fraction form
   139,976.53/193,167.61 = 79,547.29/x
3. Step 3: Cross multiply
   139,976.53x = 193,167.61 × 79,547.29
4. Step 4: Simplify right side
   139,976.53x = 15,365,959,209.49
5. Step 5: Solve for x
   x = 15,365,959,209.49/139,976.53
6. Step 6: Final answer
   x = 109,775.26