Finding the Fourth Proportional to 112,653.52, 155,496.50 and 64,938.76

Step by Step Solution

1. Step 1: Write the proportion equation
   112,653.52 : 155,496.50 = 64,938.76 : x
2. Step 2: Convert to fraction form
   112,653.52/155,496.50 = 64,938.76/x
3. Step 3: Cross multiply
   112,653.52x = 155,496.50 × 64,938.76
4. Step 4: Simplify right side
   112,653.52x = 10,097,749,894.34
5. Step 5: Solve for x
   x = 10,097,749,894.34/112,653.52
6. Step 6: Final answer
   x = 89,635.46