Finding the Fourth Proportional to 21,920,980.71, 30,251,010.83 and 12,132,099.93

Step by Step Solution

1. Step 1: Write the proportion equation
   21,920,980.71 : 30,251,010.83 = 12,132,099.93 : x
2. Step 2: Convert to fraction form
   21,920,980.71/30,251,010.83 = 12,132,099.93/x
3. Step 3: Cross multiply
   21,920,980.71x = 30,251,010.83 × 12,132,099.93
4. Step 4: Simplify right side
   21,920,980.71x = 367,008,286,312,411.75
5. Step 5: Solve for x
   x = 367,008,286,312,411.75/21,920,980.71
6. Step 6: Final answer
   x = 16,742,329.70