Finding the Fourth Proportional to 162,255.27, 243,383.06 and 42,312.12

Step by Step Solution

1. Step 1: Write the proportion equation
   162,255.27 : 243,383.06 = 42,312.12 : x
2. Step 2: Convert to fraction form
   162,255.27/243,383.06 = 42,312.12/x
3. Step 3: Cross multiply
   162,255.27x = 243,383.06 × 42,312.12
4. Step 4: Simplify right side
   162,255.27x = 10,298,053,802.81
5. Step 5: Solve for x
   x = 10,298,053,802.81/162,255.27
6. Step 6: Final answer
   x = 63,468.22