Finding the Fourth Proportional to 98,014.24, 147,106.72 and 55,978.48

Step by Step Solution

1. Step 1: Write the proportion equation
   98,014.24 : 147,106.72 = 55,978.48 : x
2. Step 2: Convert to fraction form
   98,014.24/147,106.72 = 55,978.48/x
3. Step 3: Cross multiply
   98,014.24x = 147,106.72 × 55,978.48
4. Step 4: Simplify right side
   98,014.24x = 8,234,810,583.39
5. Step 5: Solve for x
   x = 8,234,810,583.39/98,014.24
6. Step 6: Final answer
   x = 84,016.47