Finding the Fourth Proportional to 109,068.65, 150,536.30 and 70,774.43

Step by Step Solution

1. Step 1: Write the proportion equation
   109,068.65 : 150,536.30 = 70,774.43 : x
2. Step 2: Convert to fraction form
   109,068.65/150,536.30 = 70,774.43/x
3. Step 3: Cross multiply
   109,068.65x = 150,536.30 × 70,774.43
4. Step 4: Simplify right side
   109,068.65x = 10,654,121,189.46
5. Step 5: Solve for x
   x = 10,654,121,189.46/109,068.65
6. Step 6: Final answer
   x = 97,682.71