Finding the Fourth Proportional to 59,780,979.48, 89,343,932.91 and 43,640,919.48

Step by Step Solution

1. Step 1: Write the proportion equation
   59,780,979.48 : 89,343,932.91 = 43,640,919.48 : x
2. Step 2: Convert to fraction form
   59,780,979.48/89,343,932.91 = 43,640,919.48/x
3. Step 3: Cross multiply
   59,780,979.48x = 89,343,932.91 × 43,640,919.48
4. Step 4: Simplify right side
   59,780,979.48x = 3,899,051,382,151,831.50
5. Step 5: Solve for x
   x = 3,899,051,382,151,831.50/59,780,979.48
6. Step 6: Final answer
   x = 65,222,273.31