Finding the Fourth Proportional to 42,588.55, 63,922.31 and 21,543.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,588.55 : 63,922.31 = 21,543.53 : x
2. Step 2: Convert to fraction form
   42,588.55/63,922.31 = 21,543.53/x
3. Step 3: Cross multiply
   42,588.55x = 63,922.31 × 21,543.53
4. Step 4: Simplify right side
   42,588.55x = 1,377,112,203.15
5. Step 5: Solve for x
   x = 1,377,112,203.15/42,588.55
6. Step 6: Final answer
   x = 32,335.27