Finding the Fourth Proportional to 42,464,757.78, 63,696,495.67 and 19,105,004.77

Step by Step Solution

1. Step 1: Write the proportion equation
   42,464,757.78 : 63,696,495.67 = 19,105,004.77 : x
2. Step 2: Convert to fraction form
   42,464,757.78/63,696,495.67 = 19,105,004.77/x
3. Step 3: Cross multiply
   42,464,757.78x = 63,696,495.67 × 19,105,004.77
4. Step 4: Simplify right side
   42,464,757.78x = 1,216,921,853,607,634.25
5. Step 5: Solve for x
   x = 1,216,921,853,607,634.25/42,464,757.78
6. Step 6: Final answer
   x = 28,657,218.77