Finding the Fourth Proportional to 191,441.07, 264,188.59 and 106,578.18

Step by Step Solution

1. Step 1: Write the proportion equation
   191,441.07 : 264,188.59 = 106,578.18 : x
2. Step 2: Convert to fraction form
   191,441.07/264,188.59 = 106,578.18/x
3. Step 3: Cross multiply
   191,441.07x = 264,188.59 × 106,578.18
4. Step 4: Simplify right side
   191,441.07x = 28,156,738,832.52
5. Step 5: Solve for x
   x = 28,156,738,832.52/191,441.07
6. Step 6: Final answer
   x = 147,077.84