Finding the Fourth Proportional to 112,770.41, 155,621.84 and 61,086.53

Step by Step Solution

1. Step 1: Write the proportion equation
   112,770.41 : 155,621.84 = 61,086.53 : x
2. Step 2: Convert to fraction form
   112,770.41/155,621.84 = 61,086.53/x
3. Step 3: Cross multiply
   112,770.41x = 155,621.84 × 61,086.53
4. Step 4: Simplify right side
   112,770.41x = 9,506,397,114.27
5. Step 5: Solve for x
   x = 9,506,397,114.27/112,770.41
6. Step 6: Final answer
   x = 84,298.69