Finding the Fourth Proportional to 72,298.09, 108,465.83 and 42,337.63

Step by Step Solution

1. Step 1: Write the proportion equation
   72,298.09 : 108,465.83 = 42,337.63 : x
2. Step 2: Convert to fraction form
   72,298.09/108,465.83 = 42,337.63/x
3. Step 3: Cross multiply
   72,298.09x = 108,465.83 × 42,337.63
4. Step 4: Simplify right side
   72,298.09x = 4,592,185,424.17
5. Step 5: Solve for x
   x = 4,592,185,424.17/72,298.09
6. Step 6: Final answer
   x = 63,517.39