Finding the Fourth Proportional to 13,128,900.07, 19,679,881.83 and 5,039,697.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,128,900.07 : 19,679,881.83 = 5,039,697.37 : x
2. Step 2: Convert to fraction form
   13,128,900.07/19,679,881.83 = 5,039,697.37/x
3. Step 3: Cross multiply
   13,128,900.07x = 19,679,881.83 × 5,039,697.37
4. Step 4: Simplify right side
   13,128,900.07x = 99,180,648,700,561.78
5. Step 5: Solve for x
   x = 99,180,648,700,561.78/13,128,900.07
6. Step 6: Final answer
   x = 7,554,376.08