Finding the Fourth Proportional to 22,910,987.08, 31,616,939.89 and 12,457,003.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,910,987.08 : 31,616,939.89 = 12,457,003.27 : x
2. Step 2: Convert to fraction form
   22,910,987.08/31,616,939.89 = 12,457,003.27/x
3. Step 3: Cross multiply
   22,910,987.08x = 31,616,939.89 × 12,457,003.27
4. Step 4: Simplify right side
   22,910,987.08x = 393,852,323,597,123.44
5. Step 5: Solve for x
   x = 393,852,323,597,123.44/22,910,987.08
6. Step 6: Final answer
   x = 17,190,543.66