Finding the Fourth Proportional to 142,182,861.86, 196,212,301.55 and 76,992,765.86

Step by Step Solution

1. Step 1: Write the proportion equation
   142,182,861.86 : 196,212,301.55 = 76,992,765.86 : x
2. Step 2: Convert to fraction form
   142,182,861.86/196,212,301.55 = 76,992,765.86/x
3. Step 3: Cross multiply
   142,182,861.86x = 196,212,301.55 × 76,992,765.86
4. Step 4: Simplify right side
   142,182,861.86x = 15,106,927,790,724,840
5. Step 5: Solve for x
   x = 15,106,927,790,724,840/142,182,861.86
6. Step 6: Final answer
   x = 106,249,990.99