Finding the Fourth Proportional to 562,626,483.86, 776,414,271.30 and 311,729,960.72

Step by Step Solution

1. Step 1: Write the proportion equation
   562,626,483.86 : 776,414,271.30 = 311,729,960.72 : x
2. Step 2: Convert to fraction form
   562,626,483.86/776,414,271.30 = 311,729,960.72/x
3. Step 3: Cross multiply
   562,626,483.86x = 776,414,271.30 × 311,729,960.72
4. Step 4: Simplify right side
   562,626,483.86x = 242,031,590,294,796,416
5. Step 5: Solve for x
   x = 242,031,590,294,796,416/562,626,483.86
6. Step 6: Final answer
   x = 430,181,652.02