Finding the Fourth Proportional to 112,483.09, 155,233.47 and 64,735.39

Step by Step Solution

1. Step 1: Write the proportion equation
   112,483.09 : 155,233.47 = 64,735.39 : x
2. Step 2: Convert to fraction form
   112,483.09/155,233.47 = 64,735.39/x
3. Step 3: Cross multiply
   112,483.09x = 155,233.47 × 64,735.39
4. Step 4: Simplify right side
   112,483.09x = 10,049,099,221.50
5. Step 5: Solve for x
   x = 10,049,099,221.50/112,483.09
6. Step 6: Final answer
   x = 89,338.76