Finding the Fourth Proportional to 105,870,524.09, 146,112,707.54 and 64,077,589.03

Step by Step Solution

1. Step 1: Write the proportion equation
   105,870,524.09 : 146,112,707.54 = 64,077,589.03 : x
2. Step 2: Convert to fraction form
   105,870,524.09/146,112,707.54 = 64,077,589.03/x
3. Step 3: Cross multiply
   105,870,524.09x = 146,112,707.54 × 64,077,589.03
4. Step 4: Simplify right side
   105,870,524.09x = 9,362,550,025,517,460
5. Step 5: Solve for x
   x = 9,362,550,025,517,460/105,870,524.09
6. Step 6: Final answer
   x = 88,433,963.14