Finding the Fourth Proportional to 22,925,744.28, 31,642,044.72 and 13,142,752.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,925,744.28 : 31,642,044.72 = 13,142,752.08 : x
2. Step 2: Convert to fraction form
   22,925,744.28/31,642,044.72 = 13,142,752.08/x
3. Step 3: Cross multiply
   22,925,744.28x = 31,642,044.72 × 13,142,752.08
4. Step 4: Simplify right side
   22,925,744.28x = 415,863,549,059,233
5. Step 5: Solve for x
   x = 415,863,549,059,233/22,925,744.28
6. Step 6: Final answer
   x = 18,139,587.70