Finding the Fourth Proportional to 37,188.04, 55,748.34 and 13,490.07

Step by Step Solution

1. Step 1: Write the proportion equation
   37,188.04 : 55,748.34 = 13,490.07 : x
2. Step 2: Convert to fraction form
   37,188.04/55,748.34 = 13,490.07/x
3. Step 3: Cross multiply
   37,188.04x = 55,748.34 × 13,490.07
4. Step 4: Simplify right side
   37,188.04x = 752,049,008.98
5. Step 5: Solve for x
   x = 752,049,008.98/37,188.04
6. Step 6: Final answer
   x = 20,222.87