Finding the Fourth Proportional to 111,976.02, 154,549.62 and 64,262.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,976.02 : 154,549.62 = 64,262.16 : x
2. Step 2: Convert to fraction form
   111,976.02/154,549.62 = 64,262.16/x
3. Step 3: Cross multiply
   111,976.02x = 154,549.62 × 64,262.16
4. Step 4: Simplify right side
   111,976.02x = 9,931,692,408.38
5. Step 5: Solve for x
   x = 9,931,692,408.38/111,976.02
6. Step 6: Final answer
   x = 88,694.82