Finding the Fourth Proportional to 109,123.39, 150,589.69 and 61,375.71

Step by Step Solution

1. Step 1: Write the proportion equation
   109,123.39 : 150,589.69 = 61,375.71 : x
2. Step 2: Convert to fraction form
   109,123.39/150,589.69 = 61,375.71/x
3. Step 3: Cross multiply
   109,123.39x = 150,589.69 × 61,375.71
4. Step 4: Simplify right side
   109,123.39x = 9,242,549,142.43
5. Step 5: Solve for x
   x = 9,242,549,142.43/109,123.39
6. Step 6: Final answer
   x = 84,698.15