Finding the Fourth Proportional to 23,090,663.46, 31,865,399.01 and 12,778,346.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,090,663.46 : 31,865,399.01 = 12,778,346.10 : x
2. Step 2: Convert to fraction form
   23,090,663.46/31,865,399.01 = 12,778,346.10/x
3. Step 3: Cross multiply
   23,090,663.46x = 31,865,399.01 × 12,778,346.10
4. Step 4: Simplify right side
   23,090,663.46x = 407,187,097,164,377.38
5. Step 5: Solve for x
   x = 407,187,097,164,377.38/23,090,663.46
6. Step 6: Final answer
   x = 17,634,274.47