Finding the Fourth Proportional to 37,106.72, 55,678.35 and 17,381.87

Step by Step Solution

1. Step 1: Write the proportion equation
   37,106.72 : 55,678.35 = 17,381.87 : x
2. Step 2: Convert to fraction form
   37,106.72/55,678.35 = 17,381.87/x
3. Step 3: Cross multiply
   37,106.72x = 55,678.35 × 17,381.87
4. Step 4: Simplify right side
   37,106.72x = 967,793,841.51
5. Step 5: Solve for x
   x = 967,793,841.51/37,106.72
6. Step 6: Final answer
   x = 26,081.36