Finding the Fourth Proportional to 37,376.34, 56,071.42 and 10,721.21

Step by Step Solution

1. Step 1: Write the proportion equation
   37,376.34 : 56,071.42 = 10,721.21 : x
2. Step 2: Convert to fraction form
   37,376.34/56,071.42 = 10,721.21/x
3. Step 3: Cross multiply
   37,376.34x = 56,071.42 × 10,721.21
4. Step 4: Simplify right side
   37,376.34x = 601,153,468.82
5. Step 5: Solve for x
   x = 601,153,468.82/37,376.34
6. Step 6: Final answer
   x = 16,083.80