Finding the Fourth Proportional to 136,388.88, 188,216.72 and 79,061.46

Step by Step Solution

1. Step 1: Write the proportion equation
   136,388.88 : 188,216.72 = 79,061.46 : x
2. Step 2: Convert to fraction form
   136,388.88/188,216.72 = 79,061.46/x
3. Step 3: Cross multiply
   136,388.88x = 188,216.72 × 79,061.46
4. Step 4: Simplify right side
   136,388.88x = 14,880,687,740.84
5. Step 5: Solve for x
   x = 14,880,687,740.84/136,388.88
6. Step 6: Final answer
   x = 109,104.84