Finding the Fourth Proportional to 105,150,185.08, 145,112,826.56 and 63,347,409.70

Step by Step Solution

1. Step 1: Write the proportion equation
   105,150,185.08 : 145,112,826.56 = 63,347,409.70 : x
2. Step 2: Convert to fraction form
   105,150,185.08/145,112,826.56 = 63,347,409.70/x
3. Step 3: Cross multiply
   105,150,185.08x = 145,112,826.56 × 63,347,409.70
4. Step 4: Simplify right side
   105,150,185.08x = 9,192,521,676,821,362
5. Step 5: Solve for x
   x = 9,192,521,676,821,362/105,150,185.08
6. Step 6: Final answer
   x = 87,422,781.71