Finding the Fourth Proportional to 76,019.72, 104,881.64 and 49,196.16

Step by Step Solution

1. Step 1: Write the proportion equation
   76,019.72 : 104,881.64 = 49,196.16 : x
2. Step 2: Convert to fraction form
   76,019.72/104,881.64 = 49,196.16/x
3. Step 3: Cross multiply
   76,019.72x = 104,881.64 × 49,196.16
4. Step 4: Simplify right side
   76,019.72x = 5,159,773,696.52
5. Step 5: Solve for x
   x = 5,159,773,696.52/76,019.72
6. Step 6: Final answer
   x = 67,874.15