Finding the Fourth Proportional to 9,000,576.42, 12,420,828.27 and 4,870,607.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,000,576.42 : 12,420,828.27 = 4,870,607.10 : x
2. Step 2: Convert to fraction form
   9,000,576.42/12,420,828.27 = 4,870,607.10/x
3. Step 3: Cross multiply
   9,000,576.42x = 12,420,828.27 × 4,870,607.10
4. Step 4: Simplify right side
   9,000,576.42x = 60,496,974,359,742.71
5. Step 5: Solve for x
   x = 60,496,974,359,742.71/9,000,576.42
6. Step 6: Final answer
   x = 6,721,455.55