Finding the Fourth Proportional to 23,005,310.02, 31,747,108.89 and 12,692,116.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,005,310.02 : 31,747,108.89 = 12,692,116.42 : x
2. Step 2: Convert to fraction form
   23,005,310.02/31,747,108.89 = 12,692,116.42/x
3. Step 3: Cross multiply
   23,005,310.02x = 31,747,108.89 × 12,692,116.42
4. Step 4: Simplify right side
   23,005,310.02x = 402,938,002,030,297
5. Step 5: Solve for x
   x = 402,938,002,030,297/23,005,310.02
6. Step 6: Final answer
   x = 17,514,999.87