Finding the Fourth Proportional to 76,881.68, 106,096.82 and 42,892.36

Step by Step Solution

1. Step 1: Write the proportion equation
   76,881.68 : 106,096.82 = 42,892.36 : x
2. Step 2: Convert to fraction form
   76,881.68/106,096.82 = 42,892.36/x
3. Step 3: Cross multiply
   76,881.68x = 106,096.82 × 42,892.36
4. Step 4: Simplify right side
   76,881.68x = 4,550,742,998.30
5. Step 5: Solve for x
   x = 4,550,742,998.30/76,881.68
6. Step 6: Final answer
   x = 59,191.51