Finding the Fourth Proportional to 28,471,488.83, 42,714,515.96 and 8,276,730.83

Step by Step Solution

1. Step 1: Write the proportion equation
   28,471,488.83 : 42,714,515.96 = 8,276,730.83 : x
2. Step 2: Convert to fraction form
   28,471,488.83/42,714,515.96 = 8,276,730.83/x
3. Step 3: Cross multiply
   28,471,488.83x = 42,714,515.96 × 8,276,730.83
4. Step 4: Simplify right side
   28,471,488.83x = 353,536,551,200,061.62
5. Step 5: Solve for x
   x = 353,536,551,200,061.62/28,471,488.83
6. Step 6: Final answer
   x = 12,417,213.35