Finding the Fourth Proportional to 76,896.59, 106,116.93 and 42,903

Step by Step Solution

1. Step 1: Write the proportion equation
   76,896.59 : 106,116.93 = 42,903 : x
2. Step 2: Convert to fraction form
   76,896.59/106,116.93 = 42,903/x
3. Step 3: Cross multiply
   76,896.59x = 106,116.93 × 42,903
4. Step 4: Simplify right side
   76,896.59x = 4,552,734,647.79
5. Step 5: Solve for x
   x = 4,552,734,647.79/76,896.59
6. Step 6: Final answer
   x = 59,205.94