Finding the Fourth Proportional to 89,478,040.57, 123,477,760.61 and 51,802,793.31

Step by Step Solution

1. Step 1: Write the proportion equation
   89,478,040.57 : 123,477,760.61 = 51,802,793.31 : x
2. Step 2: Convert to fraction form
   89,478,040.57/123,477,760.61 = 51,802,793.31/x
3. Step 3: Cross multiply
   89,478,040.57x = 123,477,760.61 × 51,802,793.31
4. Step 4: Simplify right side
   89,478,040.57x = 6,396,492,911,265,096
5. Step 5: Solve for x
   x = 6,396,492,911,265,096/89,478,040.57
6. Step 6: Final answer
   x = 71,486,734.29