Finding the Fourth Proportional to 58,190.52, 80,327.34 and 51,192.12

Step by Step Solution

1. Step 1: Write the proportion equation
   58,190.52 : 80,327.34 = 51,192.12 : x
2. Step 2: Convert to fraction form
   58,190.52/80,327.34 = 51,192.12/x
3. Step 3: Cross multiply
   58,190.52x = 80,327.34 × 51,192.12
4. Step 4: Simplify right side
   58,190.52x = 4,112,126,828.56
5. Step 5: Solve for x
   x = 4,112,126,828.56/58,190.52
6. Step 6: Final answer
   x = 70,666.61