Finding the Fourth Proportional to 42,611.98, 63,912.05 and 22,612.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,611.98 : 63,912.05 = 22,612.72 : x
2. Step 2: Convert to fraction form
   42,611.98/63,912.05 = 22,612.72/x
3. Step 3: Cross multiply
   42,611.98x = 63,912.05 × 22,612.72
4. Step 4: Simplify right side
   42,611.98x = 1,445,224,858.65
5. Step 5: Solve for x
   x = 1,445,224,858.65/42,611.98
6. Step 6: Final answer
   x = 33,915.93