Finding the Fourth Proportional to 37,003.47, 55,505.08 and 13,310.98

Step by Step Solution

1. Step 1: Write the proportion equation
   37,003.47 : 55,505.08 = 13,310.98 : x
2. Step 2: Convert to fraction form
   37,003.47/55,505.08 = 13,310.98/x
3. Step 3: Cross multiply
   37,003.47x = 55,505.08 × 13,310.98
4. Step 4: Simplify right side
   37,003.47x = 738,827,009.78
5. Step 5: Solve for x
   x = 738,827,009.78/37,003.47
6. Step 6: Final answer
   x = 19,966.43