Finding the Fourth Proportional to 13,715,138.00, 20,572,665.99 and 3,479,978.00

Step by Step Solution

1. Step 1: Write the proportion equation
   13,715,138.00 : 20,572,665.99 = 3,479,978.00 : x
2. Step 2: Convert to fraction form
   13,715,138.00/20,572,665.99 = 3,479,978.00/x
3. Step 3: Cross multiply
   13,715,138.00x = 20,572,665.99 × 3,479,978.00
4. Step 4: Simplify right side
   13,715,138.00x = 71,592,424,926,285
5. Step 5: Solve for x
   x = 71,592,424,926,285/13,715,138.00
6. Step 6: Final answer
   x = 5,219,956.59