Finding the Fourth Proportional to 12,959,837.84, 17,729,150.98 and 12,905,250.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,959,837.84 : 17,729,150.98 = 12,905,250.32 : x
2. Step 2: Convert to fraction form
   12,959,837.84/17,729,150.98 = 12,905,250.32/x
3. Step 3: Cross multiply
   12,959,837.84x = 17,729,150.98 × 12,905,250.32
4. Step 4: Simplify right side
   12,959,837.84x = 228,799,131,357,973.31
5. Step 5: Solve for x
   x = 228,799,131,357,973.31/12,959,837.84
6. Step 6: Final answer
   x = 17,654,474.86