Finding the Fourth Proportional to 42,923.42, 64,375.29 and 11,761.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,923.42 : 64,375.29 = 11,761.10 : x
2. Step 2: Convert to fraction form
   42,923.42/64,375.29 = 11,761.10/x
3. Step 3: Cross multiply
   42,923.42x = 64,375.29 × 11,761.10
4. Step 4: Simplify right side
   42,923.42x = 757,124,223.22
5. Step 5: Solve for x
   x = 757,124,223.22/42,923.42
6. Step 6: Final answer
   x = 17,638.95