Finding the Fourth Proportional to 83,243,150.55, 124,864,725.83 and 79,841,928.15

Step by Step Solution

1. Step 1: Write the proportion equation
   83,243,150.55 : 124,864,725.83 = 79,841,928.15 : x
2. Step 2: Convert to fraction form
   83,243,150.55/124,864,725.83 = 79,841,928.15/x
3. Step 3: Cross multiply
   83,243,150.55x = 124,864,725.83 × 79,841,928.15
4. Step 4: Simplify right side
   83,243,150.55x = 9,969,440,467,789,100
5. Step 5: Solve for x
   x = 9,969,440,467,789,100/83,243,150.55
6. Step 6: Final answer
   x = 119,762,892.23