Finding the Fourth Proportional to 52,439, 72,369.78 and 32,290.88

Step by Step Solution

1. Step 1: Write the proportion equation
   52,439 : 72,369.78 = 32,290.88 : x
2. Step 2: Convert to fraction form
   52,439/72,369.78 = 32,290.88/x
3. Step 3: Cross multiply
   52,439x = 72,369.78 × 32,290.88
4. Step 4: Simplify right side
   52,439x = 2,336,883,881.61
5. Step 5: Solve for x
   x = 2,336,883,881.61/52,439
6. Step 6: Final answer
   x = 44,563.85