Finding the Fourth Proportional to 70,953.61, 106,309.98 and 42,814.54

Step by Step Solution

1. Step 1: Write the proportion equation
   70,953.61 : 106,309.98 = 42,814.54 : x
2. Step 2: Convert to fraction form
   70,953.61/106,309.98 = 42,814.54/x
3. Step 3: Cross multiply
   70,953.61x = 106,309.98 × 42,814.54
4. Step 4: Simplify right side
   70,953.61x = 4,551,612,625.33
5. Step 5: Solve for x
   x = 4,551,612,625.33/70,953.61
6. Step 6: Final answer
   x = 64,149.13