Finding the Fourth Proportional to 13,188,076.70, 19,758,199.89 and 12,901,098.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,188,076.70 : 19,758,199.89 = 12,901,098.56 : x
2. Step 2: Convert to fraction form
   13,188,076.70/19,758,199.89 = 12,901,098.56/x
3. Step 3: Cross multiply
   13,188,076.70x = 19,758,199.89 × 12,901,098.56
4. Step 4: Simplify right side
   13,188,076.70x = 254,902,484,149,071.19
5. Step 5: Solve for x
   x = 254,902,484,149,071.19/13,188,076.70
6. Step 6: Final answer
   x = 19,328,253.08