Finding the Fourth Proportional to 37,106.84, 55,669.78 and 13,416.76

Step by Step Solution

1. Step 1: Write the proportion equation
   37,106.84 : 55,669.78 = 13,416.76 : x
2. Step 2: Convert to fraction form
   37,106.84/55,669.78 = 13,416.76/x
3. Step 3: Cross multiply
   37,106.84x = 55,669.78 × 13,416.76
4. Step 4: Simplify right side
   37,106.84x = 746,908,077.51
5. Step 5: Solve for x
   x = 746,908,077.51/37,106.84
6. Step 6: Final answer
   x = 20,128.58