Finding the Fourth Proportional to 147,155.69, 203,068.86 and 83,492.12

Step by Step Solution

1. Step 1: Write the proportion equation
   147,155.69 : 203,068.86 = 83,492.12 : x
2. Step 2: Convert to fraction form
   147,155.69/203,068.86 = 83,492.12/x
3. Step 3: Cross multiply
   147,155.69x = 203,068.86 × 83,492.12
4. Step 4: Simplify right side
   147,155.69x = 16,954,648,612.04
5. Step 5: Solve for x
   x = 16,954,648,612.04/147,155.69
6. Step 6: Final answer
   x = 115,215.72