Finding the Fourth Proportional to 103,914.48, 143,401.89 and 56,167.83

Step by Step Solution

1. Step 1: Write the proportion equation
   103,914.48 : 143,401.89 = 56,167.83 : x
2. Step 2: Convert to fraction form
   103,914.48/143,401.89 = 56,167.83/x
3. Step 3: Cross multiply
   103,914.48x = 143,401.89 × 56,167.83
4. Step 4: Simplify right side
   103,914.48x = 8,054,572,262.19
5. Step 5: Solve for x
   x = 8,054,572,262.19/103,914.48
6. Step 6: Final answer
   x = 77,511.55