Finding the Fourth Proportional to 91,877.37, 126,802.52 and 56,059.79

Step by Step Solution

1. Step 1: Write the proportion equation
   91,877.37 : 126,802.52 = 56,059.79 : x
2. Step 2: Convert to fraction form
   91,877.37/126,802.52 = 56,059.79/x
3. Step 3: Cross multiply
   91,877.37x = 126,802.52 × 56,059.79
4. Step 4: Simplify right side
   91,877.37x = 7,108,521,728.36
5. Step 5: Solve for x
   x = 7,108,521,728.36/91,877.37
6. Step 6: Final answer
   x = 77,369.67