Finding the Fourth Proportional to 103,667.88, 155,545.56 and 51,077.88

Step by Step Solution

1. Step 1: Write the proportion equation
   103,667.88 : 155,545.56 = 51,077.88 : x
2. Step 2: Convert to fraction form
   103,667.88/155,545.56 = 51,077.88/x
3. Step 3: Cross multiply
   103,667.88x = 155,545.56 × 51,077.88
4. Step 4: Simplify right side
   103,667.88x = 7,944,937,448.21
5. Step 5: Solve for x
   x = 7,944,937,448.21/103,667.88
6. Step 6: Final answer
   x = 76,638.37