Finding the Fourth Proportional to 55,499,396.86, 76,587,504.96 and 30,720,599.38

Step by Step Solution

1. Step 1: Write the proportion equation
   55,499,396.86 : 76,587,504.96 = 30,720,599.38 : x
2. Step 2: Convert to fraction form
   55,499,396.86/76,587,504.96 = 30,720,599.38/x
3. Step 3: Cross multiply
   55,499,396.86x = 76,587,504.96 × 30,720,599.38
4. Step 4: Simplify right side
   55,499,396.86x = 2,352,814,057,389,922.50
5. Step 5: Solve for x
   x = 2,352,814,057,389,922.50/55,499,396.86
6. Step 6: Final answer
   x = 42,393,506.79