Finding the Fourth Proportional to 70,625.69, 97,439.69 and 39,994.59

Step by Step Solution

1. Step 1: Write the proportion equation
   70,625.69 : 97,439.69 = 39,994.59 : x
2. Step 2: Convert to fraction form
   70,625.69/97,439.69 = 39,994.59/x
3. Step 3: Cross multiply
   70,625.69x = 97,439.69 × 39,994.59
4. Step 4: Simplify right side
   70,625.69x = 3,897,060,251.30
5. Step 5: Solve for x
   x = 3,897,060,251.30/70,625.69
6. Step 6: Final answer
   x = 55,179.08