Finding the Fourth Proportional to 52,144.34, 78,214.98 and 12,700.88

Step by Step Solution

1. Step 1: Write the proportion equation
   52,144.34 : 78,214.98 = 12,700.88 : x
2. Step 2: Convert to fraction form
   52,144.34/78,214.98 = 12,700.88/x
3. Step 3: Cross multiply
   52,144.34x = 78,214.98 × 12,700.88
4. Step 4: Simplify right side
   52,144.34x = 993,399,075.18
5. Step 5: Solve for x
   x = 993,399,075.18/52,144.34
6. Step 6: Final answer
   x = 19,050.95