Finding the Fourth Proportional to 109,521.53, 164,211.67 and 42,968.39

Step by Step Solution

1. Step 1: Write the proportion equation
   109,521.53 : 164,211.67 = 42,968.39 : x
2. Step 2: Convert to fraction form
   109,521.53/164,211.67 = 42,968.39/x
3. Step 3: Cross multiply
   109,521.53x = 164,211.67 × 42,968.39
4. Step 4: Simplify right side
   109,521.53x = 7,055,910,927.56
5. Step 5: Solve for x
   x = 7,055,910,927.56/109,521.53
6. Step 6: Final answer
   x = 64,424.87