Finding the Fourth Proportional to 19,674,148.32, 27,155,192.72 and 13,405,046.88

Step by Step Solution

1. Step 1: Write the proportion equation
   19,674,148.32 : 27,155,192.72 = 13,405,046.88 : x
2. Step 2: Convert to fraction form
   19,674,148.32/27,155,192.72 = 13,405,046.88/x
3. Step 3: Cross multiply
   19,674,148.32x = 27,155,192.72 × 13,405,046.88
4. Step 4: Simplify right side
   19,674,148.32x = 364,016,631,447,034.75
5. Step 5: Solve for x
   x = 364,016,631,447,034.75/19,674,148.32
6. Step 6: Final answer
   x = 18,502,281.55