Finding the Fourth Proportional to 19,957,464.72, 29,935,934.64 and 4,811,274.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,957,464.72 : 29,935,934.64 = 4,811,274.72 : x
2. Step 2: Convert to fraction form
   19,957,464.72/29,935,934.64 = 4,811,274.72/x
3. Step 3: Cross multiply
   19,957,464.72x = 29,935,934.64 × 4,811,274.72
4. Step 4: Simplify right side
   19,957,464.72x = 144,030,005,553,004.28
5. Step 5: Solve for x
   x = 144,030,005,553,004.28/19,957,464.72
6. Step 6: Final answer
   x = 7,216,848.81