Finding the Fourth Proportional to 70,947.28, 97,924.31 and 42,647.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,947.28 : 97,924.31 = 42,647.50 : x
2. Step 2: Convert to fraction form
   70,947.28/97,924.31 = 42,647.50/x
3. Step 3: Cross multiply
   70,947.28x = 97,924.31 × 42,647.50
4. Step 4: Simplify right side
   70,947.28x = 4,176,227,010.73
5. Step 5: Solve for x
   x = 4,176,227,010.73/70,947.28
6. Step 6: Final answer
   x = 58,863.81