Finding the Fourth Proportional to 540,563,510.52, 810,763,338.56 and 147,120,996.33

Step by Step Solution

1. Step 1: Write the proportion equation
   540,563,510.52 : 810,763,338.56 = 147,120,996.33 : x
2. Step 2: Convert to fraction form
   540,563,510.52/810,763,338.56 = 147,120,996.33/x
3. Step 3: Cross multiply
   540,563,510.52x = 810,763,338.56 × 147,120,996.33
4. Step 4: Simplify right side
   540,563,510.52x = 119,280,310,156,048,704
5. Step 5: Solve for x
   x = 119,280,310,156,048,704/540,563,510.52
6. Step 6: Final answer
   x = 220,659,196.99