Finding the Fourth Proportional to 109,123.34, 150,539.36 and 70,880.18

Step by Step Solution

1. Step 1: Write the proportion equation
   109,123.34 : 150,539.36 = 70,880.18 : x
2. Step 2: Convert to fraction form
   109,123.34/150,539.36 = 70,880.18/x
3. Step 3: Cross multiply
   109,123.34x = 150,539.36 × 70,880.18
4. Step 4: Simplify right side
   109,123.34x = 10,670,256,933.88
5. Step 5: Solve for x
   x = 10,670,256,933.88/109,123.34
6. Step 6: Final answer
   x = 97,781.62