Finding the Fourth Proportional to 125,298.39, 172,909.69 and 70,849.69

Step by Step Solution

1. Step 1: Write the proportion equation
   125,298.39 : 172,909.69 = 70,849.69 : x
2. Step 2: Convert to fraction form
   125,298.39/172,909.69 = 70,849.69/x
3. Step 3: Cross multiply
   125,298.39x = 172,909.69 × 70,849.69
4. Step 4: Simplify right side
   125,298.39x = 12,250,597,325.10
5. Step 5: Solve for x
   x = 12,250,597,325.10/125,298.39
6. Step 6: Final answer
   x = 97,771.38