Finding the Fourth Proportional to 56,133, 77,463.63 and 30,982.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,133 : 77,463.63 = 30,982.50 : x
2. Step 2: Convert to fraction form
   56,133/77,463.63 = 30,982.50/x
3. Step 3: Cross multiply
   56,133x = 77,463.63 × 30,982.50
4. Step 4: Simplify right side
   56,133x = 2,400,016,916.48
5. Step 5: Solve for x
   x = 2,400,016,916.48/56,133
6. Step 6: Final answer
   x = 42,755.90