Finding the Fourth Proportional to 42,528.84, 63,656.82 and 28,264.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,528.84 : 63,656.82 = 28,264.59 : x
2. Step 2: Convert to fraction form
   42,528.84/63,656.82 = 28,264.59/x
3. Step 3: Cross multiply
   42,528.84x = 63,656.82 × 28,264.59
4. Step 4: Simplify right side
   42,528.84x = 1,799,233,918.00
5. Step 5: Solve for x
   x = 1,799,233,918.00/42,528.84
6. Step 6: Final answer
   x = 42,306.21