Finding the Fourth Proportional to 124,491.06, 171,796.86 and 70,776.10

Step by Step Solution

1. Step 1: Write the proportion equation
   124,491.06 : 171,796.86 = 70,776.10 : x
2. Step 2: Convert to fraction form
   124,491.06/171,796.86 = 70,776.10/x
3. Step 3: Cross multiply
   124,491.06x = 171,796.86 × 70,776.10
4. Step 4: Simplify right side
   124,491.06x = 12,159,111,743.05
5. Step 5: Solve for x
   x = 12,159,111,743.05/124,491.06
6. Step 6: Final answer
   x = 97,670.56