Finding the Fourth Proportional to 19,978,876.16, 27,570,848.96 and 10,811,518.88

Step by Step Solution

1. Step 1: Write the proportion equation
   19,978,876.16 : 27,570,848.96 = 10,811,518.88 : x
2. Step 2: Convert to fraction form
   19,978,876.16/27,570,848.96 = 10,811,518.88/x
3. Step 3: Cross multiply
   19,978,876.16x = 27,570,848.96 × 10,811,518.88
4. Step 4: Simplify right side
   19,978,876.16x = 298,082,754,068,668.38
5. Step 5: Solve for x
   x = 298,082,754,068,668.38/19,978,876.16
6. Step 6: Final answer
   x = 14,919,895.98