Finding the Fourth Proportional to 62,978.56, 94,007.06 and 55,505.43

Step by Step Solution

1. Step 1: Write the proportion equation
   62,978.56 : 94,007.06 = 55,505.43 : x
2. Step 2: Convert to fraction form
   62,978.56/94,007.06 = 55,505.43/x
3. Step 3: Cross multiply
   62,978.56x = 94,007.06 × 55,505.43
4. Step 4: Simplify right side
   62,978.56x = 5,217,902,427.10
5. Step 5: Solve for x
   x = 5,217,902,427.10/62,978.56
6. Step 6: Final answer
   x = 82,852.05