Finding the Fourth Proportional to 97,749.69, 134,824.98 and 89,709.31

Step by Step Solution

1. Step 1: Write the proportion equation
   97,749.69 : 134,824.98 = 89,709.31 : x
2. Step 2: Convert to fraction form
   97,749.69/134,824.98 = 89,709.31/x
3. Step 3: Cross multiply
   97,749.69x = 134,824.98 × 89,709.31
4. Step 4: Simplify right side
   97,749.69x = 12,095,055,926.56
5. Step 5: Solve for x
   x = 12,095,055,926.56/97,749.69
6. Step 6: Final answer
   x = 123,734.98