Finding the Fourth Proportional to 11,866,967.71, 17,794,562.94 and 3,778,889.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,866,967.71 : 17,794,562.94 = 3,778,889.56 : x
2. Step 2: Convert to fraction form
   11,866,967.71/17,794,562.94 = 3,778,889.56/x
3. Step 3: Cross multiply
   11,866,967.71x = 17,794,562.94 × 3,778,889.56
4. Step 4: Simplify right side
   11,866,967.71x = 67,243,688,074,242.51
5. Step 5: Solve for x
   x = 67,243,688,074,242.51/11,866,967.71
6. Step 6: Final answer
   x = 5,666,459.18