Finding the Fourth Proportional to 42,732,288.78, 64,162,468.53 and 36,992,725.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,732,288.78 : 64,162,468.53 = 36,992,725.98 : x
2. Step 2: Convert to fraction form
   42,732,288.78/64,162,468.53 = 36,992,725.98/x
3. Step 3: Cross multiply
   42,732,288.78x = 64,162,468.53 × 36,992,725.98
4. Step 4: Simplify right side
   42,732,288.78x = 2,373,544,616,530,663
5. Step 5: Solve for x
   x = 2,373,544,616,530,663/42,732,288.78
6. Step 6: Final answer
   x = 55,544,523.46