Finding the Fourth Proportional to 114,724, 158,319.12 and 64,423

Step by Step Solution

1. Step 1: Write the proportion equation
   114,724 : 158,319.12 = 64,423 : x
2. Step 2: Convert to fraction form
   114,724/158,319.12 = 64,423/x
3. Step 3: Cross multiply
   114,724x = 158,319.12 × 64,423
4. Step 4: Simplify right side
   114,724x = 10,199,392,667.76
5. Step 5: Solve for x
   x = 10,199,392,667.76/114,724
6. Step 6: Final answer
   x = 88,903.74