Finding the Fourth Proportional to 12,245,068.32, 18,356,231.44 and 5,417,995.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,245,068.32 : 18,356,231.44 = 5,417,995.16 : x
2. Step 2: Convert to fraction form
   12,245,068.32/18,356,231.44 = 5,417,995.16/x
3. Step 3: Cross multiply
   12,245,068.32x = 18,356,231.44 × 5,417,995.16
4. Step 4: Simplify right side
   12,245,068.32x = 99,453,973,150,422.89
5. Step 5: Solve for x
   x = 99,453,973,150,422.89/12,245,068.32
6. Step 6: Final answer
   x = 8,121,961.48