Finding the Fourth Proportional to 57,766.84, 86,612.88 and 37,985.42

Step by Step Solution

1. Step 1: Write the proportion equation
   57,766.84 : 86,612.88 = 37,985.42 : x
2. Step 2: Convert to fraction form
   57,766.84/86,612.88 = 37,985.42/x
3. Step 3: Cross multiply
   57,766.84x = 86,612.88 × 37,985.42
4. Step 4: Simplify right side
   57,766.84x = 3,290,026,624.21
5. Step 5: Solve for x
   x = 3,290,026,624.21/57,766.84
6. Step 6: Final answer
   x = 56,953.55