Finding the Fourth Proportional to 62,986.68, 94,019.18 and 55,513.55

Step by Step Solution

1. Step 1: Write the proportion equation
   62,986.68 : 94,019.18 = 55,513.55 : x
2. Step 2: Convert to fraction form
   62,986.68/94,019.18 = 55,513.55/x
3. Step 3: Cross multiply
   62,986.68x = 94,019.18 × 55,513.55
4. Step 4: Simplify right side
   62,986.68x = 5,219,338,449.89
5. Step 5: Solve for x
   x = 5,219,338,449.89/62,986.68
6. Step 6: Final answer
   x = 82,864.16