Finding the Fourth Proportional to 37,720.32, 56,502.72 and 22,090.56

Step by Step Solution

1. Step 1: Write the proportion equation
   37,720.32 : 56,502.72 = 22,090.56 : x
2. Step 2: Convert to fraction form
   37,720.32/56,502.72 = 22,090.56/x
3. Step 3: Cross multiply
   37,720.32x = 56,502.72 × 22,090.56
4. Step 4: Simplify right side
   37,720.32x = 1,248,176,726.32
5. Step 5: Solve for x
   x = 1,248,176,726.32/37,720.32
6. Step 6: Final answer
   x = 33,090.30