Finding the Fourth Proportional to 105,922,392.66, 146,238,115.59 and 83,984,508.18

Step by Step Solution

1. Step 1: Write the proportion equation
   105,922,392.66 : 146,238,115.59 = 83,984,508.18 : x
2. Step 2: Convert to fraction form
   105,922,392.66/146,238,115.59 = 83,984,508.18/x
3. Step 3: Cross multiply
   105,922,392.66x = 146,238,115.59 × 83,984,508.18
4. Step 4: Simplify right side
   105,922,392.66x = 12,281,736,214,996,142
5. Step 5: Solve for x
   x = 12,281,736,214,996,142/105,922,392.66
6. Step 6: Final answer
   x = 115,950,328.41