Finding the Fourth Proportional to 89,980.22, 124,196.72 and 51,743.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,980.22 : 124,196.72 = 51,743.94 : x
2. Step 2: Convert to fraction form
   89,980.22/124,196.72 = 51,743.94/x
3. Step 3: Cross multiply
   89,980.22x = 124,196.72 × 51,743.94
4. Step 4: Simplify right side
   89,980.22x = 6,426,427,369.16
5. Step 5: Solve for x
   x = 6,426,427,369.16/89,980.22
6. Step 6: Final answer
   x = 71,420.45