Finding the Fourth Proportional to 109,396.43, 151,017.48 and 64,068.11

Step by Step Solution

1. Step 1: Write the proportion equation
   109,396.43 : 151,017.48 = 64,068.11 : x
2. Step 2: Convert to fraction form
   109,396.43/151,017.48 = 64,068.11/x
3. Step 3: Cross multiply
   109,396.43x = 151,017.48 × 64,068.11
4. Step 4: Simplify right side
   109,396.43x = 9,675,404,200.22
5. Step 5: Solve for x
   x = 9,675,404,200.22/109,396.43
6. Step 6: Final answer
   x = 88,443.51