Finding the Fourth Proportional to 122,890.64, 184,335.89 and 70,263.25

Step by Step Solution

1. Step 1: Write the proportion equation
   122,890.64 : 184,335.89 = 70,263.25 : x
2. Step 2: Convert to fraction form
   122,890.64/184,335.89 = 70,263.25/x
3. Step 3: Cross multiply
   122,890.64x = 184,335.89 × 70,263.25
4. Step 4: Simplify right side
   122,890.64x = 12,952,037,910.89
5. Step 5: Solve for x
   x = 12,952,037,910.89/122,890.64
6. Step 6: Final answer
   x = 105,394.83