Finding the Fourth Proportional to 49,048,682.39, 73,572,654.51 and 12,653,978.86

Step by Step Solution

1. Step 1: Write the proportion equation
   49,048,682.39 : 73,572,654.51 = 12,653,978.86 : x
2. Step 2: Convert to fraction form
   49,048,682.39/73,572,654.51 = 12,653,978.86/x
3. Step 3: Cross multiply
   49,048,682.39x = 73,572,654.51 × 12,653,978.86
4. Step 4: Simplify right side
   49,048,682.39x = 930,986,814,935,589.50
5. Step 5: Solve for x
   x = 930,986,814,935,589.50/49,048,682.39
6. Step 6: Final answer
   x = 18,980,873.08