Finding the Fourth Proportional to 9,929,429.79, 13,703,994.41 and 5,578,852.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,929,429.79 : 13,703,994.41 = 5,578,852.83 : x
2. Step 2: Convert to fraction form
   9,929,429.79/13,703,994.41 = 5,578,852.83/x
3. Step 3: Cross multiply
   9,929,429.79x = 13,703,994.41 × 5,578,852.83
4. Step 4: Simplify right side
   9,929,429.79x = 76,452,567,996,532.69
5. Step 5: Solve for x
   x = 76,452,567,996,532.69/9,929,429.79
6. Step 6: Final answer
   x = 7,699,592.99