Finding the Fourth Proportional to 97,222.33, 145,729.50 and 69,436.09

Step by Step Solution

1. Step 1: Write the proportion equation
   97,222.33 : 145,729.50 = 69,436.09 : x
2. Step 2: Convert to fraction form
   97,222.33/145,729.50 = 69,436.09/x
3. Step 3: Cross multiply
   97,222.33x = 145,729.50 × 69,436.09
4. Step 4: Simplify right side
   97,222.33x = 10,118,886,330.47
5. Step 5: Solve for x
   x = 10,118,886,330.47/97,222.33
6. Step 6: Final answer
   x = 104,079.86