Finding the Fourth Proportional to 13,872,762.12, 19,144,270.71 and 7,677,820.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,872,762.12 : 19,144,270.71 = 7,677,820.89 : x
2. Step 2: Convert to fraction form
   13,872,762.12/19,144,270.71 = 7,677,820.89/x
3. Step 3: Cross multiply
   13,872,762.12x = 19,144,270.71 × 7,677,820.89
4. Step 4: Simplify right side
   13,872,762.12x = 146,986,281,581,053.12
5. Step 5: Solve for x
   x = 146,986,281,581,053.12/13,872,762.12
6. Step 6: Final answer
   x = 10,595,314.78