Finding the Fourth Proportional to 9,152,964.18, 12,630,170.88 and 5,481,786.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,152,964.18 : 12,630,170.88 = 5,481,786.78 : x
2. Step 2: Convert to fraction form
   9,152,964.18/12,630,170.88 = 5,481,786.78/x
3. Step 3: Cross multiply
   9,152,964.18x = 12,630,170.88 × 5,481,786.78
4. Step 4: Simplify right side
   9,152,964.18x = 69,235,903,759,124.98
5. Step 5: Solve for x
   x = 69,235,903,759,124.98/9,152,964.18
6. Step 6: Final answer
   x = 7,564,314.95