Finding the Fourth Proportional to 369,960,366.12, 555,064,440.50 and 120,977,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   369,960,366.12 : 555,064,440.50 = 120,977,105.50 : x
2. Step 2: Convert to fraction form
   369,960,366.12/555,064,440.50 = 120,977,105.50/x
3. Step 3: Cross multiply
   369,960,366.12x = 555,064,440.50 × 120,977,105.50
4. Step 4: Simplify right side
   369,960,366.12x = 67,150,089,377,666,976
5. Step 5: Solve for x
   x = 67,150,089,377,666,976/369,960,366.12
6. Step 6: Final answer
   x = 181,506,170.73