Finding the Fourth Proportional to 76,096.84, 105,009.30 and 42,103.40

Step by Step Solution

1. Step 1: Write the proportion equation
   76,096.84 : 105,009.30 = 42,103.40 : x
2. Step 2: Convert to fraction form
   76,096.84/105,009.30 = 42,103.40/x
3. Step 3: Cross multiply
   76,096.84x = 105,009.30 × 42,103.40
4. Step 4: Simplify right side
   76,096.84x = 4,421,248,561.62
5. Step 5: Solve for x
   x = 4,421,248,561.62/76,096.84
6. Step 6: Final answer
   x = 58,100.29