Finding the Fourth Proportional to 136,300.38, 204,483.51 and 42,806.13

Step by Step Solution

1. Step 1: Write the proportion equation
   136,300.38 : 204,483.51 = 42,806.13 : x
2. Step 2: Convert to fraction form
   136,300.38/204,483.51 = 42,806.13/x
3. Step 3: Cross multiply
   136,300.38x = 204,483.51 × 42,806.13
4. Step 4: Simplify right side
   136,300.38x = 8,753,147,711.92
5. Step 5: Solve for x
   x = 8,753,147,711.92/136,300.38
6. Step 6: Final answer
   x = 64,219.54