Finding the Fourth Proportional to 12,065,953.74, 18,095,084.91 and 3,977,421.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,065,953.74 : 18,095,084.91 = 3,977,421.72 : x
2. Step 2: Convert to fraction form
   12,065,953.74/18,095,084.91 = 3,977,421.72/x
3. Step 3: Cross multiply
   12,065,953.74x = 18,095,084.91 × 3,977,421.72
4. Step 4: Simplify right side
   12,065,953.74x = 71,971,783,746,278.25
5. Step 5: Solve for x
   x = 71,971,783,746,278.25/12,065,953.74
6. Step 6: Final answer
   x = 5,964,864.88