Finding the Fourth Proportional to 76,055.04, 104,952.96 and 42,061.28

Step by Step Solution

1. Step 1: Write the proportion equation
   76,055.04 : 104,952.96 = 42,061.28 : x
2. Step 2: Convert to fraction form
   76,055.04/104,952.96 = 42,061.28/x
3. Step 3: Cross multiply
   76,055.04x = 104,952.96 × 42,061.28
4. Step 4: Simplify right side
   76,055.04x = 4,414,455,837.39
5. Step 5: Solve for x
   x = 4,414,455,837.39/76,055.04
6. Step 6: Final answer
   x = 58,042.91