Finding the Fourth Proportional to 61,970.99, 85,519.72 and 35,118.61

Step by Step Solution

1. Step 1: Write the proportion equation
   61,970.99 : 85,519.72 = 35,118.61 : x
2. Step 2: Convert to fraction form
   61,970.99/85,519.72 = 35,118.61/x
3. Step 3: Cross multiply
   61,970.99x = 85,519.72 × 35,118.61
4. Step 4: Simplify right side
   61,970.99x = 3,003,333,392.39
5. Step 5: Solve for x
   x = 3,003,333,392.39/61,970.99
6. Step 6: Final answer
   x = 48,463.54