Finding the Fourth Proportional to 69,870.74, 96,423.64 and 38,040.18

Step by Step Solution

1. Step 1: Write the proportion equation
   69,870.74 : 96,423.64 = 38,040.18 : x
2. Step 2: Convert to fraction form
   69,870.74/96,423.64 = 38,040.18/x
3. Step 3: Cross multiply
   69,870.74x = 96,423.64 × 38,040.18
4. Step 4: Simplify right side
   69,870.74x = 3,667,972,621.86
5. Step 5: Solve for x
   x = 3,667,972,621.86/69,870.74
6. Step 6: Final answer
   x = 52,496.55