Finding the Fourth Proportional to 52,327.62, 78,469.56 and 21,141

Step by Step Solution

1. Step 1: Write the proportion equation
   52,327.62 : 78,469.56 = 21,141 : x
2. Step 2: Convert to fraction form
   52,327.62/78,469.56 = 21,141/x
3. Step 3: Cross multiply
   52,327.62x = 78,469.56 × 21,141
4. Step 4: Simplify right side
   52,327.62x = 1,658,924,967.96
5. Step 5: Solve for x
   x = 1,658,924,967.96/52,327.62
6. Step 6: Final answer
   x = 31,702.66