Finding the Fourth Proportional to 42,259.50, 63,365.55 and 28,947.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,259.50 : 63,365.55 = 28,947.53 : x
2. Step 2: Convert to fraction form
   42,259.50/63,365.55 = 28,947.53/x
3. Step 3: Cross multiply
   42,259.50x = 63,365.55 × 28,947.53
4. Step 4: Simplify right side
   42,259.50x = 1,834,275,842.76
5. Step 5: Solve for x
   x = 1,834,275,842.76/42,259.50
6. Step 6: Final answer
   x = 43,405.05