Finding the Fourth Proportional to 9,907.34, 14,858.63 and 2,885.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,907.34 : 14,858.63 = 2,885.45 : x
2. Step 2: Convert to fraction form
   9,907.34/14,858.63 = 2,885.45/x
3. Step 3: Cross multiply
   9,907.34x = 14,858.63 × 2,885.45
4. Step 4: Simplify right side
   9,907.34x = 42,873,819.51
5. Step 5: Solve for x
   x = 42,873,819.51/9,907.34
6. Step 6: Final answer
   x = 4,327.48