Finding the Fourth Proportional to 115,406.45, 173,107.86 and 59,214.12

Step by Step Solution

1. Step 1: Write the proportion equation
   115,406.45 : 173,107.86 = 59,214.12 : x
2. Step 2: Convert to fraction form
   115,406.45/173,107.86 = 59,214.12/x
3. Step 3: Cross multiply
   115,406.45x = 173,107.86 × 59,214.12
4. Step 4: Simplify right side
   115,406.45x = 10,250,429,594.98
5. Step 5: Solve for x
   x = 10,250,429,594.98/115,406.45
6. Step 6: Final answer
   x = 88,820.25