Finding the Fourth Proportional to 942,978.24, 1,301,338.07 and 580,611.17

Step by Step Solution

1. Step 1: Write the proportion equation
   942,978.24 : 1,301,338.07 = 580,611.17 : x
2. Step 2: Convert to fraction form
   942,978.24/1,301,338.07 = 580,611.17/x
3. Step 3: Cross multiply
   942,978.24x = 1,301,338.07 × 580,611.17
4. Step 4: Simplify right side
   942,978.24x = 755,571,409,978.50
5. Step 5: Solve for x
   x = 755,571,409,978.50/942,978.24
6. Step 6: Final answer
   x = 801,260.71