Finding the Fourth Proportional to 114,306.42, 157,742.61 and 64,005.42

Step by Step Solution

1. Step 1: Write the proportion equation
   114,306.42 : 157,742.61 = 64,005.42 : x
2. Step 2: Convert to fraction form
   114,306.42/157,742.61 = 64,005.42/x
3. Step 3: Cross multiply
   114,306.42x = 157,742.61 × 64,005.42
4. Step 4: Simplify right side
   114,306.42x = 10,096,382,004.95
5. Step 5: Solve for x
   x = 10,096,382,004.95/114,306.42
6. Step 6: Final answer
   x = 88,327.34