Finding the Fourth Proportional to 22,529,005.83, 31,090,639.50 and 12,740,913.81

Step by Step Solution

1. Step 1: Write the proportion equation
   22,529,005.83 : 31,090,639.50 = 12,740,913.81 : x
2. Step 2: Convert to fraction form
   22,529,005.83/31,090,639.50 = 12,740,913.81/x
3. Step 3: Cross multiply
   22,529,005.83x = 31,090,639.50 × 12,740,913.81
4. Step 4: Simplify right side
   22,529,005.83x = 396,123,158,167,281.50
5. Step 5: Solve for x
   x = 396,123,158,167,281.50/22,529,005.83
6. Step 6: Final answer
   x = 17,582,806.86