Finding the Fourth Proportional to 111,019,764.72, 166,543,901.94 and 51,890,845.62

Step by Step Solution

1. Step 1: Write the proportion equation
   111,019,764.72 : 166,543,901.94 = 51,890,845.62 : x
2. Step 2: Convert to fraction form
   111,019,764.72/166,543,901.94 = 51,890,845.62/x
3. Step 3: Cross multiply
   111,019,764.72x = 166,543,901.94 × 51,890,845.62
4. Step 4: Simplify right side
   111,019,764.72x = 8,642,103,904,520,958
5. Step 5: Solve for x
   x = 8,642,103,904,520,958/111,019,764.72
6. Step 6: Final answer
   x = 77,842,931.18