Finding the Fourth Proportional to 5,253,680.06, 7,877,144.27 and 2,181,789.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,253,680.06 : 7,877,144.27 = 2,181,789.78 : x
2. Step 2: Convert to fraction form
   5,253,680.06/7,877,144.27 = 2,181,789.78/x
3. Step 3: Cross multiply
   5,253,680.06x = 7,877,144.27 × 2,181,789.78
4. Step 4: Simplify right side
   5,253,680.06x = 17,186,272,852,962.61
5. Step 5: Solve for x
   x = 17,186,272,852,962.61/5,253,680.06
6. Step 6: Final answer
   x = 3,271,282.73