Finding the Fourth Proportional to 22,529,003.84, 31,090,636.62 and 12,740,911.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,529,003.84 : 31,090,636.62 = 12,740,911.72 : x
2. Step 2: Convert to fraction form
   22,529,003.84/31,090,636.62 = 12,740,911.72/x
3. Step 3: Cross multiply
   22,529,003.84x = 31,090,636.62 × 12,740,911.72
4. Step 4: Simplify right side
   22,529,003.84x = 396,123,056,494,019.25
5. Step 5: Solve for x
   x = 396,123,056,494,019.25/22,529,003.84
6. Step 6: Final answer
   x = 17,582,803.90