Finding the Fourth Proportional to 112,363.14, 155,061.12 and 64,615.44

Step by Step Solution

1. Step 1: Write the proportion equation
   112,363.14 : 155,061.12 = 64,615.44 : x
2. Step 2: Convert to fraction form
   112,363.14/155,061.12 = 64,615.44/x
3. Step 3: Cross multiply
   112,363.14x = 155,061.12 × 64,615.44
4. Step 4: Simplify right side
   112,363.14x = 10,019,342,495.69
5. Step 5: Solve for x
   x = 10,019,342,495.69/112,363.14
6. Step 6: Final answer
   x = 89,169.30