Finding the Fourth Proportional to 76,051.36, 104,948.24 and 42,517.28

Step by Step Solution

1. Step 1: Write the proportion equation
   76,051.36 : 104,948.24 = 42,517.28 : x
2. Step 2: Convert to fraction form
   76,051.36/104,948.24 = 42,517.28/x
3. Step 3: Cross multiply
   76,051.36x = 104,948.24 × 42,517.28
4. Step 4: Simplify right side
   76,051.36x = 4,462,113,705.59
5. Step 5: Solve for x
   x = 4,462,113,705.59/76,051.36
6. Step 6: Final answer
   x = 58,672.37