Finding the Fourth Proportional to 897,156.77, 1,238,172.37 and 548,501.76

Step by Step Solution

1. Step 1: Write the proportion equation
   897,156.77 : 1,238,172.37 = 548,501.76 : x
2. Step 2: Convert to fraction form
   897,156.77/1,238,172.37 = 548,501.76/x
3. Step 3: Cross multiply
   897,156.77x = 1,238,172.37 × 548,501.76
4. Step 4: Simplify right side
   897,156.77x = 679,139,724,128.37
5. Step 5: Solve for x
   x = 679,139,724,128.37/897,156.77
6. Step 6: Final answer
   x = 756,991.14