Finding the Fourth Proportional to 59,780,979.98, 89,343,933.66 and 43,640,919.98

Step by Step Solution

1. Step 1: Write the proportion equation
   59,780,979.98 : 89,343,933.66 = 43,640,919.98 : x
2. Step 2: Convert to fraction form
   59,780,979.98/89,343,933.66 = 43,640,919.98/x
3. Step 3: Cross multiply
   59,780,979.98x = 89,343,933.66 × 43,640,919.98
4. Step 4: Simplify right side
   59,780,979.98x = 3,899,051,459,336,283.50
5. Step 5: Solve for x
   x = 3,899,051,459,336,283.50/59,780,979.98
6. Step 6: Final answer
   x = 65,222,274.05