Finding the Fourth Proportional to 72,665.70, 109,002.15 and 37,673.70

Step by Step Solution

1. Step 1: Write the proportion equation
   72,665.70 : 109,002.15 = 37,673.70 : x
2. Step 2: Convert to fraction form
   72,665.70/109,002.15 = 37,673.70/x
3. Step 3: Cross multiply
   72,665.70x = 109,002.15 × 37,673.70
4. Step 4: Simplify right side
   72,665.70x = 4,106,514,298.46
5. Step 5: Solve for x
   x = 4,106,514,298.46/72,665.70
6. Step 6: Final answer
   x = 56,512.42