Finding the Fourth Proportional to 22,677,153.32, 31,297,128.38 and 12,889,068.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,677,153.32 : 31,297,128.38 = 12,889,068.83 : x
2. Step 2: Convert to fraction form
   22,677,153.32/31,297,128.38 = 12,889,068.83/x
3. Step 3: Cross multiply
   22,677,153.32x = 31,297,128.38 × 12,889,068.83
4. Step 4: Simplify right side
   22,677,153.32x = 403,390,841,871,166.38
5. Step 5: Solve for x
   x = 403,390,841,871,166.38/22,677,153.32
6. Step 6: Final answer
   x = 17,788,425.04