Finding the Fourth Proportional to 109,719.84, 151,404.12 and 64,392.96

Step by Step Solution

1. Step 1: Write the proportion equation
   109,719.84 : 151,404.12 = 64,392.96 : x
2. Step 2: Convert to fraction form
   109,719.84/151,404.12 = 64,392.96/x
3. Step 3: Cross multiply
   109,719.84x = 151,404.12 × 64,392.96
4. Step 4: Simplify right side
   109,719.84x = 9,749,359,443.00
5. Step 5: Solve for x
   x = 9,749,359,443.00/109,719.84
6. Step 6: Final answer
   x = 88,856.85