Finding the Fourth Proportional to 34,784.80, 52,164.80 and 12,592.42

Step by Step Solution

1. Step 1: Write the proportion equation
   34,784.80 : 52,164.80 = 12,592.42 : x
2. Step 2: Convert to fraction form
   34,784.80/52,164.80 = 12,592.42/x
3. Step 3: Cross multiply
   34,784.80x = 52,164.80 × 12,592.42
4. Step 4: Simplify right side
   34,784.80x = 656,881,070.82
5. Step 5: Solve for x
   x = 656,881,070.82/34,784.80
6. Step 6: Final answer
   x = 18,884.14