Finding the Fourth Proportional to 56,128.23, 77,470.28 and 32,268.80

Step by Step Solution

1. Step 1: Write the proportion equation
   56,128.23 : 77,470.28 = 32,268.80 : x
2. Step 2: Convert to fraction form
   56,128.23/77,470.28 = 32,268.80/x
3. Step 3: Cross multiply
   56,128.23x = 77,470.28 × 32,268.80
4. Step 4: Simplify right side
   56,128.23x = 2,499,872,422.57
5. Step 5: Solve for x
   x = 2,499,872,422.57/56,128.23
6. Step 6: Final answer
   x = 44,538.59