Finding the Fourth Proportional to 37,598, 56,359.47 and 18,820.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,598 : 56,359.47 = 18,820.72 : x
2. Step 2: Convert to fraction form
   37,598/56,359.47 = 18,820.72/x
3. Step 3: Cross multiply
   37,598x = 56,359.47 × 18,820.72
4. Step 4: Simplify right side
   37,598x = 1,060,725,522.42
5. Step 5: Solve for x
   x = 1,060,725,522.42/37,598
6. Step 6: Final answer
   x = 28,212.29