Finding the Fourth Proportional to 42,507.93, 63,764.18 and 12,923.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,507.93 : 63,764.18 = 12,923.52 : x
2. Step 2: Convert to fraction form
   42,507.93/63,764.18 = 12,923.52/x
3. Step 3: Cross multiply
   42,507.93x = 63,764.18 × 12,923.52
4. Step 4: Simplify right side
   42,507.93x = 824,057,687.82
5. Step 5: Solve for x
   x = 824,057,687.82/42,507.93
6. Step 6: Final answer
   x = 19,385.98