Finding the Fourth Proportional to 136,263.50, 204,397.07 and 42,769.25

Step by Step Solution

1. Step 1: Write the proportion equation
   136,263.50 : 204,397.07 = 42,769.25 : x
2. Step 2: Convert to fraction form
   136,263.50/204,397.07 = 42,769.25/x
3. Step 3: Cross multiply
   136,263.50x = 204,397.07 × 42,769.25
4. Step 4: Simplify right side
   136,263.50x = 8,741,908,150.27
5. Step 5: Solve for x
   x = 8,741,908,150.27/136,263.50
6. Step 6: Final answer
   x = 64,154.44