Finding the Fourth Proportional to 69,870.40, 96,421.59 and 38,039.63

Step by Step Solution

1. Step 1: Write the proportion equation
   69,870.40 : 96,421.59 = 38,039.63 : x
2. Step 2: Convert to fraction form
   69,870.40/96,421.59 = 38,039.63/x
3. Step 3: Cross multiply
   69,870.40x = 96,421.59 × 38,039.63
4. Step 4: Simplify right side
   69,870.40x = 3,667,841,125.50
5. Step 5: Solve for x
   x = 3,667,841,125.50/69,870.40
6. Step 6: Final answer
   x = 52,494.92