Finding the Fourth Proportional to 769,543.72, 1,061,967.72 and 430,011.97

Step by Step Solution

1. Step 1: Write the proportion equation
   769,543.72 : 1,061,967.72 = 430,011.97 : x
2. Step 2: Convert to fraction form
   769,543.72/1,061,967.72 = 430,011.97/x
3. Step 3: Cross multiply
   769,543.72x = 1,061,967.72 × 430,011.97
4. Step 4: Simplify right side
   769,543.72x = 456,658,831,353.61
5. Step 5: Solve for x
   x = 456,658,831,353.61/769,543.72
6. Step 6: Final answer
   x = 593,415.06