Finding the Fourth Proportional to 76,100.84, 105,019.28 and 42,110.76

Step by Step Solution

1. Step 1: Write the proportion equation
   76,100.84 : 105,019.28 = 42,110.76 : x
2. Step 2: Convert to fraction form
   76,100.84/105,019.28 = 42,110.76/x
3. Step 3: Cross multiply
   76,100.84x = 105,019.28 × 42,110.76
4. Step 4: Simplify right side
   76,100.84x = 4,422,441,978.14
5. Step 5: Solve for x
   x = 4,422,441,978.14/76,100.84
6. Step 6: Final answer
   x = 58,112.92