Finding the Fourth Proportional to 19,978,953.68, 27,567,990.24 and 12,134,383.76

Step by Step Solution

1. Step 1: Write the proportion equation
   19,978,953.68 : 27,567,990.24 = 12,134,383.76 : x
2. Step 2: Convert to fraction form
   19,978,953.68/27,567,990.24 = 12,134,383.76/x
3. Step 3: Cross multiply
   19,978,953.68x = 27,567,990.24 × 12,134,383.76
4. Step 4: Simplify right side
   19,978,953.68x = 334,520,573,064,094.50
5. Step 5: Solve for x
   x = 334,520,573,064,094.50/19,978,953.68
6. Step 6: Final answer
   x = 16,743,648.26