Finding the Fourth Proportional to 112,650.52, 155,492.36 and 64,935.76

Step by Step Solution

1. Step 1: Write the proportion equation
   112,650.52 : 155,492.36 = 64,935.76 : x
2. Step 2: Convert to fraction form
   112,650.52/155,492.36 = 64,935.76/x
3. Step 3: Cross multiply
   112,650.52x = 155,492.36 × 64,935.76
4. Step 4: Simplify right side
   112,650.52x = 10,097,014,570.79
5. Step 5: Solve for x
   x = 10,097,014,570.79/112,650.52
6. Step 6: Final answer
   x = 89,631.32