Finding the Fourth Proportional to 72,706.61, 109,118.23 and 37,656.29

Step by Step Solution

1. Step 1: Write the proportion equation
   72,706.61 : 109,118.23 = 37,656.29 : x
2. Step 2: Convert to fraction form
   72,706.61/109,118.23 = 37,656.29/x
3. Step 3: Cross multiply
   72,706.61x = 109,118.23 × 37,656.29
4. Step 4: Simplify right side
   72,706.61x = 4,108,987,073.43
5. Step 5: Solve for x
   x = 4,108,987,073.43/72,706.61
6. Step 6: Final answer
   x = 56,514.63