Finding the Fourth Proportional to 42,914.86, 64,359.98 and 12,932.00

Step by Step Solution

1. Step 1: Write the proportion equation
   42,914.86 : 64,359.98 = 12,932.00 : x
2. Step 2: Convert to fraction form
   42,914.86/64,359.98 = 12,932.00/x
3. Step 3: Cross multiply
   42,914.86x = 64,359.98 × 12,932.00
4. Step 4: Simplify right side
   42,914.86x = 832,303,237.49
5. Step 5: Solve for x
   x = 832,303,237.49/42,914.86
6. Step 6: Final answer
   x = 19,394.29