Finding the Fourth Proportional to 105,802,782.70, 146,029,320.78 and 61,150,651.42

Step by Step Solution

1. Step 1: Write the proportion equation
   105,802,782.70 : 146,029,320.78 = 61,150,651.42 : x
2. Step 2: Convert to fraction form
   105,802,782.70/146,029,320.78 = 61,150,651.42/x
3. Step 3: Cross multiply
   105,802,782.70x = 146,029,320.78 × 61,150,651.42
4. Step 4: Simplify right side
   105,802,782.70x = 8,929,788,092,117,143
5. Step 5: Solve for x
   x = 8,929,788,092,117,143/105,802,782.70
6. Step 6: Final answer
   x = 84,400,314.10