Finding the Fourth Proportional to 190,494.52, 262,878.42 and 109,915.72

Step by Step Solution

1. Step 1: Write the proportion equation
   190,494.52 : 262,878.42 = 109,915.72 : x
2. Step 2: Convert to fraction form
   190,494.52/262,878.42 = 109,915.72/x
3. Step 3: Cross multiply
   190,494.52x = 262,878.42 × 109,915.72
4. Step 4: Simplify right side
   190,494.52x = 28,894,470,806.76
5. Step 5: Solve for x
   x = 28,894,470,806.76/190,494.52
6. Step 6: Final answer
   x = 151,681.38