Finding the Fourth Proportional to 112,803.72, 155,669.16 and 67,483.58

Step by Step Solution

1. Step 1: Write the proportion equation
   112,803.72 : 155,669.16 = 67,483.58 : x
2. Step 2: Convert to fraction form
   112,803.72/155,669.16 = 67,483.58/x
3. Step 3: Cross multiply
   112,803.72x = 155,669.16 × 67,483.58
4. Step 4: Simplify right side
   112,803.72x = 10,505,112,212.39
5. Step 5: Solve for x
   x = 10,505,112,212.39/112,803.72
6. Step 6: Final answer
   x = 93,127.36