Finding the Fourth Proportional to 80,851,892.88, 111,586,991.52 and 51,473,840.88

Step by Step Solution

1. Step 1: Write the proportion equation
   80,851,892.88 : 111,586,991.52 = 51,473,840.88 : x
2. Step 2: Convert to fraction form
   80,851,892.88/111,586,991.52 = 51,473,840.88/x
3. Step 3: Cross multiply
   80,851,892.88x = 111,586,991.52 × 51,473,840.88
4. Step 4: Simplify right side
   80,851,892.88x = 5,743,811,045,778,389
5. Step 5: Solve for x
   x = 5,743,811,045,778,389/80,851,892.88
6. Step 6: Final answer
   x = 71,041,145.00