Finding the Fourth Proportional to 760,826.34, 1,049,972.00 and 421,294.59

Step by Step Solution

1. Step 1: Write the proportion equation
   760,826.34 : 1,049,972.00 = 421,294.59 : x
2. Step 2: Convert to fraction form
   760,826.34/1,049,972.00 = 421,294.59/x
3. Step 3: Cross multiply
   760,826.34x = 1,049,972.00 × 421,294.59
4. Step 4: Simplify right side
   760,826.34x = 442,347,521,145.01
5. Step 5: Solve for x
   x = 442,347,521,145.01/760,826.34
6. Step 6: Final answer
   x = 581,404.06