Finding the Fourth Proportional to 37,773.83, 56,635.19 and 21,145.34

Step by Step Solution

1. Step 1: Write the proportion equation
   37,773.83 : 56,635.19 = 21,145.34 : x
2. Step 2: Convert to fraction form
   37,773.83/56,635.19 = 21,145.34/x
3. Step 3: Cross multiply
   37,773.83x = 56,635.19 × 21,145.34
4. Step 4: Simplify right side
   37,773.83x = 1,197,570,242.79
5. Step 5: Solve for x
   x = 1,197,570,242.79/37,773.83
6. Step 6: Final answer
   x = 31,703.70