Finding the Fourth Proportional to 76,896.42, 106,114.10 and 42,903.15

Step by Step Solution

1. Step 1: Write the proportion equation
   76,896.42 : 106,114.10 = 42,903.15 : x
2. Step 2: Convert to fraction form
   76,896.42/106,114.10 = 42,903.15/x
3. Step 3: Cross multiply
   76,896.42x = 106,114.10 × 42,903.15
4. Step 4: Simplify right side
   76,896.42x = 4,552,628,934.90
5. Step 5: Solve for x
   x = 4,552,628,934.90/76,896.42
6. Step 6: Final answer
   x = 59,204.69