Finding the Fourth Proportional to 37,139,495.29, 55,705,940.56 and 12,877,879.57

Step by Step Solution

1. Step 1: Write the proportion equation
   37,139,495.29 : 55,705,940.56 = 12,877,879.57 : x
2. Step 2: Convert to fraction form
   37,139,495.29/55,705,940.56 = 12,877,879.57/x
3. Step 3: Cross multiply
   37,139,495.29x = 55,705,940.56 × 12,877,879.57
4. Step 4: Simplify right side
   37,139,495.29x = 717,374,393,865,258.38
5. Step 5: Solve for x
   x = 717,374,393,865,258.38/37,139,495.29
6. Step 6: Final answer
   x = 19,315,674.28