Finding the Fourth Proportional to 72,877.51, 100,571.17 and 42,256.54

Step by Step Solution

1. Step 1: Write the proportion equation
   72,877.51 : 100,571.17 = 42,256.54 : x
2. Step 2: Convert to fraction form
   72,877.51/100,571.17 = 42,256.54/x
3. Step 3: Cross multiply
   72,877.51x = 100,571.17 × 42,256.54
4. Step 4: Simplify right side
   72,877.51x = 4,249,789,667.95
5. Step 5: Solve for x
   x = 4,249,789,667.95/72,877.51
6. Step 6: Final answer
   x = 58,314.14