Finding the Fourth Proportional to 105,071.76, 156,682.24 and 104,124.06

Step by Step Solution

1. Step 1: Write the proportion equation
   105,071.76 : 156,682.24 = 104,124.06 : x
2. Step 2: Convert to fraction form
   105,071.76/156,682.24 = 104,124.06/x
3. Step 3: Cross multiply
   105,071.76x = 156,682.24 × 104,124.06
4. Step 4: Simplify right side
   105,071.76x = 16,314,390,698.38
5. Step 5: Solve for x
   x = 16,314,390,698.38/105,071.76
6. Step 6: Final answer
   x = 155,269.03