Finding the Fourth Proportional to 64,874,562.89, 89,527,133.96 and 35,105,211.10

Step by Step Solution

1. Step 1: Write the proportion equation
   64,874,562.89 : 89,527,133.96 = 35,105,211.10 : x
2. Step 2: Convert to fraction form
   64,874,562.89/89,527,133.96 = 35,105,211.10/x
3. Step 3: Cross multiply
   64,874,562.89x = 89,527,133.96 × 35,105,211.10
4. Step 4: Simplify right side
   64,874,562.89x = 3,142,868,936,843,779
5. Step 5: Solve for x
   x = 3,142,868,936,843,779/64,874,562.89
6. Step 6: Final answer
   x = 48,445,319.66