Finding the Fourth Proportional to 36,903.82, 55,312.38 and 17,140.72

Step by Step Solution

1. Step 1: Write the proportion equation
   36,903.82 : 55,312.38 = 17,140.72 : x
2. Step 2: Convert to fraction form
   36,903.82/55,312.38 = 17,140.72/x
3. Step 3: Cross multiply
   36,903.82x = 55,312.38 × 17,140.72
4. Step 4: Simplify right side
   36,903.82x = 948,094,018.11
5. Step 5: Solve for x
   x = 948,094,018.11/36,903.82
6. Step 6: Final answer
   x = 25,690.95