Finding the Fourth Proportional to 76,426.72, 105,548.96 and 52,614.88

Step by Step Solution

1. Step 1: Write the proportion equation
   76,426.72 : 105,548.96 = 52,614.88 : x
2. Step 2: Convert to fraction form
   76,426.72/105,548.96 = 52,614.88/x
3. Step 3: Cross multiply
   76,426.72x = 105,548.96 × 52,614.88
4. Step 4: Simplify right side
   76,426.72x = 5,553,445,864.52
5. Step 5: Solve for x
   x = 5,553,445,864.52/76,426.72
6. Step 6: Final answer
   x = 72,663.67