Finding the Fourth Proportional to 22,514,899.42, 31,006,120.90 and 21,111,939.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,514,899.42 : 31,006,120.90 = 21,111,939.84 : x
2. Step 2: Convert to fraction form
   22,514,899.42/31,006,120.90 = 21,111,939.84/x
3. Step 3: Cross multiply
   22,514,899.42x = 31,006,120.90 × 21,111,939.84
4. Step 4: Simplify right side
   22,514,899.42x = 654,599,359,112,566.62
5. Step 5: Solve for x
   x = 654,599,359,112,566.62/22,514,899.42
6. Step 6: Final answer
   x = 29,074,052.12