Finding the Fourth Proportional to 32,700.61, 45,128.32 and 19,272.43

Step by Step Solution

1. Step 1: Write the proportion equation
   32,700.61 : 45,128.32 = 19,272.43 : x
2. Step 2: Convert to fraction form
   32,700.61/45,128.32 = 19,272.43/x
3. Step 3: Cross multiply
   32,700.61x = 45,128.32 × 19,272.43
4. Step 4: Simplify right side
   32,700.61x = 869,732,388.22
5. Step 5: Solve for x
   x = 869,732,388.22/32,700.61
6. Step 6: Final answer
   x = 26,596.82