Finding the Fourth Proportional to 113,814.48, 170,677.98 and 78,647.52

Step by Step Solution

1. Step 1: Write the proportion equation
   113,814.48 : 170,677.98 = 78,647.52 : x
2. Step 2: Convert to fraction form
   113,814.48/170,677.98 = 78,647.52/x
3. Step 3: Cross multiply
   113,814.48x = 170,677.98 × 78,647.52
4. Step 4: Simplify right side
   113,814.48x = 13,423,399,845.61
5. Step 5: Solve for x
   x = 13,423,399,845.61/113,814.48
6. Step 6: Final answer
   x = 117,941.06