Finding the Fourth Proportional to 72,706.98, 109,118.79 and 37,656.66

Step by Step Solution

1. Step 1: Write the proportion equation
   72,706.98 : 109,118.79 = 37,656.66 : x
2. Step 2: Convert to fraction form
   72,706.98/109,118.79 = 37,656.66/x
3. Step 3: Cross multiply
   72,706.98x = 109,118.79 × 37,656.66
4. Step 4: Simplify right side
   72,706.98x = 4,109,049,174.64
5. Step 5: Solve for x
   x = 4,109,049,174.64/72,706.98
6. Step 6: Final answer
   x = 56,515.20