Finding the Fourth Proportional to 45,402.42, 68,100.80 and 21,726.78

Step by Step Solution

1. Step 1: Write the proportion equation
   45,402.42 : 68,100.80 = 21,726.78 : x
2. Step 2: Convert to fraction form
   45,402.42/68,100.80 = 21,726.78/x
3. Step 3: Cross multiply
   45,402.42x = 68,100.80 × 21,726.78
4. Step 4: Simplify right side
   45,402.42x = 1,479,611,099.42
5. Step 5: Solve for x
   x = 1,479,611,099.42/45,402.42
6. Step 6: Final answer
   x = 32,588.82