Finding the Fourth Proportional to 22,682,988.56, 31,302,573.72 and 12,893,492.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,682,988.56 : 31,302,573.72 = 12,893,492.72 : x
2. Step 2: Convert to fraction form
   22,682,988.56/31,302,573.72 = 12,893,492.72/x
3. Step 3: Cross multiply
   22,682,988.56x = 31,302,573.72 × 12,893,492.72
4. Step 4: Simplify right side
   22,682,988.56x = 403,599,506,376,083.31
5. Step 5: Solve for x
   x = 403,599,506,376,083.31/22,682,988.56
6. Step 6: Final answer
   x = 17,793,048.09