Finding the Fourth Proportional to 42,108,877.22, 63,169,341.09 and 12,965,182.09

Step by Step Solution

1. Step 1: Write the proportion equation
   42,108,877.22 : 63,169,341.09 = 12,965,182.09 : x
2. Step 2: Convert to fraction form
   42,108,877.22/63,169,341.09 = 12,965,182.09/x
3. Step 3: Cross multiply
   42,108,877.22x = 63,169,341.09 × 12,965,182.09
4. Step 4: Simplify right side
   42,108,877.22x = 819,002,009,737,169.12
5. Step 5: Solve for x
   x = 819,002,009,737,169.12/42,108,877.22
6. Step 6: Final answer
   x = 19,449,628.29