Finding the Fourth Proportional to 37,979.34, 56,938.16 and 15,809.31

Step by Step Solution

1. Step 1: Write the proportion equation
   37,979.34 : 56,938.16 = 15,809.31 : x
2. Step 2: Convert to fraction form
   37,979.34/56,938.16 = 15,809.31/x
3. Step 3: Cross multiply
   37,979.34x = 56,938.16 × 15,809.31
4. Step 4: Simplify right side
   37,979.34x = 900,152,943.22
5. Step 5: Solve for x
   x = 900,152,943.22/37,979.34
6. Step 6: Final answer
   x = 23,701.12