Finding the Fourth Proportional to 1,061,162.10, 1,590,742.53 and 528,179.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,162.10 : 1,590,742.53 = 528,179.40 : x
2. Step 2: Convert to fraction form
   1,061,162.10/1,590,742.53 = 528,179.40/x
3. Step 3: Cross multiply
   1,061,162.10x = 1,590,742.53 × 528,179.40
4. Step 4: Simplify right side
   1,061,162.10x = 840,197,435,049.88
5. Step 5: Solve for x
   x = 840,197,435,049.88/1,061,162.10
6. Step 6: Final answer
   x = 791,771.05