Finding the Fourth Proportional to 72,706.42, 109,117.95 and 37,656.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,706.42 : 109,117.95 = 37,656.10 : x
2. Step 2: Convert to fraction form
   72,706.42/109,117.95 = 37,656.10/x
3. Step 3: Cross multiply
   72,706.42x = 109,117.95 × 37,656.10
4. Step 4: Simplify right side
   72,706.42x = 4,108,956,164.20
5. Step 5: Solve for x
   x = 4,108,956,164.20/72,706.42
6. Step 6: Final answer
   x = 56,514.35