Finding the Fourth Proportional to 37,088.96, 55,636.86 and 12,129.14

Step by Step Solution

1. Step 1: Write the proportion equation
   37,088.96 : 55,636.86 = 12,129.14 : x
2. Step 2: Convert to fraction form
   37,088.96/55,636.86 = 12,129.14/x
3. Step 3: Cross multiply
   37,088.96x = 55,636.86 × 12,129.14
4. Step 4: Simplify right side
   37,088.96x = 674,826,925.27
5. Step 5: Solve for x
   x = 674,826,925.27/37,088.96
6. Step 6: Final answer
   x = 18,194.82