Finding the Fourth Proportional to 7,526,877.72, 10,387,164.24 and 4,089,143.40

Step by Step Solution

1. Step 1: Write the proportion equation
   7,526,877.72 : 10,387,164.24 = 4,089,143.40 : x
2. Step 2: Convert to fraction form
   7,526,877.72/10,387,164.24 = 4,089,143.40/x
3. Step 3: Cross multiply
   7,526,877.72x = 10,387,164.24 × 4,089,143.40
4. Step 4: Simplify right side
   7,526,877.72x = 42,474,604,096,712.02
5. Step 5: Solve for x
   x = 42,474,604,096,712.02/7,526,877.72
6. Step 6: Final answer
   x = 5,643,057.54