Finding the Fourth Proportional to 42,527.34, 63,654.58 and 28,263.09

Step by Step Solution

1. Step 1: Write the proportion equation
   42,527.34 : 63,654.58 = 28,263.09 : x
2. Step 2: Convert to fraction form
   42,527.34/63,654.58 = 28,263.09/x
3. Step 3: Cross multiply
   42,527.34x = 63,654.58 × 28,263.09
4. Step 4: Simplify right side
   42,527.34x = 1,799,075,397.49
5. Step 5: Solve for x
   x = 1,799,075,397.49/42,527.34
6. Step 6: Final answer
   x = 42,303.97