Finding the Fourth Proportional to 70,976.86, 97,952.55 and 39,145.82

Step by Step Solution

1. Step 1: Write the proportion equation
   70,976.86 : 97,952.55 = 39,145.82 : x
2. Step 2: Convert to fraction form
   70,976.86/97,952.55 = 39,145.82/x
3. Step 3: Cross multiply
   70,976.86x = 97,952.55 × 39,145.82
4. Step 4: Simplify right side
   70,976.86x = 3,834,432,890.84
5. Step 5: Solve for x
   x = 3,834,432,890.84/70,976.86
6. Step 6: Final answer
   x = 54,023.70