Finding the Fourth Proportional to 11,240,061.21, 16,870,665.15 and 10,625,748.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,240,061.21 : 16,870,665.15 = 10,625,748.50 : x
2. Step 2: Convert to fraction form
   11,240,061.21/16,870,665.15 = 10,625,748.50/x
3. Step 3: Cross multiply
   11,240,061.21x = 16,870,665.15 × 10,625,748.50
4. Step 4: Simplify right side
   11,240,061.21x = 179,263,444,953,791.41
5. Step 5: Solve for x
   x = 179,263,444,953,791.41/11,240,061.21
6. Step 6: Final answer
   x = 15,948,618.22