Finding the Fourth Proportional to 105,901,760.01, 146,102,404 and 61,239,479.43

Step by Step Solution

1. Step 1: Write the proportion equation
   105,901,760.01 : 146,102,404 = 61,239,479.43 : x
2. Step 2: Convert to fraction form
   105,901,760.01/146,102,404 = 61,239,479.43/x
3. Step 3: Cross multiply
   105,901,760.01x = 146,102,404 × 61,239,479.43
4. Step 4: Simplify right side
   105,901,760.01x = 8,947,235,164,431,550
5. Step 5: Solve for x
   x = 8,947,235,164,431,550/105,901,760.01
6. Step 6: Final answer
   x = 84,486,180.06