Finding the Fourth Proportional to 55,606,995.92, 76,736,568.84 and 30,488,805.20

Step by Step Solution

1. Step 1: Write the proportion equation
   55,606,995.92 : 76,736,568.84 = 30,488,805.20 : x
2. Step 2: Convert to fraction form
   55,606,995.92/76,736,568.84 = 30,488,805.20/x
3. Step 3: Cross multiply
   55,606,995.92x = 76,736,568.84 × 30,488,805.20
4. Step 4: Simplify right side
   55,606,995.92x = 2,339,606,299,079,150
5. Step 5: Solve for x
   x = 2,339,606,299,079,150/55,606,995.92
6. Step 6: Final answer
   x = 42,073,955.99