Finding the Fourth Proportional to 5,188,811.76, 7,160,017.01 and 3,012,930.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,188,811.76 : 7,160,017.01 = 3,012,930.72 : x
2. Step 2: Convert to fraction form
   5,188,811.76/7,160,017.01 = 3,012,930.72/x
3. Step 3: Cross multiply
   5,188,811.76x = 7,160,017.01 × 3,012,930.72
4. Step 4: Simplify right side
   5,188,811.76x = 21,572,635,190,086.89
5. Step 5: Solve for x
   x = 21,572,635,190,086.89/5,188,811.76
6. Step 6: Final answer
   x = 4,157,528.97