Finding the Fourth Proportional to 136,300.74, 204,483.48 and 42,806.52

Step by Step Solution

1. Step 1: Write the proportion equation
   136,300.74 : 204,483.48 = 42,806.52 : x
2. Step 2: Convert to fraction form
   136,300.74/204,483.48 = 42,806.52/x
3. Step 3: Cross multiply
   136,300.74x = 204,483.48 × 42,806.52
4. Step 4: Simplify right side
   136,300.74x = 8,753,226,176.29
5. Step 5: Solve for x
   x = 8,753,226,176.29/136,300.74
6. Step 6: Final answer
   x = 64,219.95