Finding the Fourth Proportional to 31,653,736.86, 47,455,800.18 and 12,498,831.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,653,736.86 : 47,455,800.18 = 12,498,831.72 : x
2. Step 2: Convert to fraction form
   31,653,736.86/47,455,800.18 = 12,498,831.72/x
3. Step 3: Cross multiply
   31,653,736.86x = 47,455,800.18 × 12,498,831.72
4. Step 4: Simplify right side
   31,653,736.86x = 593,142,060,587,765.75
5. Step 5: Solve for x
   x = 593,142,060,587,765.75/31,653,736.86
6. Step 6: Final answer
   x = 18,738,453.01