Finding the Fourth Proportional to 1,462,373,048.72, 2,193,482,316.96 and 479,670,142.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,462,373,048.72 : 2,193,482,316.96 = 479,670,142.88 : x
2. Step 2: Convert to fraction form
   1,462,373,048.72/2,193,482,316.96 = 479,670,142.88/x
3. Step 3: Cross multiply
   1,462,373,048.72x = 2,193,482,316.96 × 479,670,142.88
4. Step 4: Simplify right side
   1,462,373,048.72x = 1,052,147,976,380,956,672
5. Step 5: Solve for x
   x = 1,052,147,976,380,956,672/1,462,373,048.72
6. Step 6: Final answer
   x = 719,479,873.69