Finding the Fourth Proportional to 76,101.84, 105,020.66 and 42,111.76

Step by Step Solution

1. Step 1: Write the proportion equation
   76,101.84 : 105,020.66 = 42,111.76 : x
2. Step 2: Convert to fraction form
   76,101.84/105,020.66 = 42,111.76/x
3. Step 3: Cross multiply
   76,101.84x = 105,020.66 × 42,111.76
4. Step 4: Simplify right side
   76,101.84x = 4,422,604,828.96
5. Step 5: Solve for x
   x = 4,422,604,828.96/76,101.84
6. Step 6: Final answer
   x = 58,114.30