Finding the Fourth Proportional to 102,111.19, 140,765.72 and 67,598.09

Step by Step Solution

1. Step 1: Write the proportion equation
   102,111.19 : 140,765.72 = 67,598.09 : x
2. Step 2: Convert to fraction form
   102,111.19/140,765.72 = 67,598.09/x
3. Step 3: Cross multiply
   102,111.19x = 140,765.72 × 67,598.09
4. Step 4: Simplify right side
   102,111.19x = 9,515,493,809.47
5. Step 5: Solve for x
   x = 9,515,493,809.47/102,111.19
6. Step 6: Final answer
   x = 93,187.57