Finding the Fourth Proportional to 760,484.25, 1,141,275.89 and 298,931.00

Step by Step Solution

1. Step 1: Write the proportion equation
   760,484.25 : 1,141,275.89 = 298,931.00 : x
2. Step 2: Convert to fraction form
   760,484.25/1,141,275.89 = 298,931.00/x
3. Step 3: Cross multiply
   760,484.25x = 1,141,275.89 × 298,931.00
4. Step 4: Simplify right side
   760,484.25x = 341,162,738,114.54
5. Step 5: Solve for x
   x = 341,162,738,114.54/760,484.25
6. Step 6: Final answer
   x = 448,612.50