Finding the Fourth Proportional to 56,123.94, 77,450.86 and 30,973.26

Step by Step Solution

1. Step 1: Write the proportion equation
   56,123.94 : 77,450.86 = 30,973.26 : x
2. Step 2: Convert to fraction form
   56,123.94/77,450.86 = 30,973.26/x
3. Step 3: Cross multiply
   56,123.94x = 77,450.86 × 30,973.26
4. Step 4: Simplify right side
   56,123.94x = 2,398,905,624.00
5. Step 5: Solve for x
   x = 2,398,905,624.00/56,123.94
6. Step 6: Final answer
   x = 42,743.00