Finding the Fourth Proportional to 42,464,756.78, 63,696,494.17 and 19,105,003.77

Step by Step Solution

1. Step 1: Write the proportion equation
   42,464,756.78 : 63,696,494.17 = 19,105,003.77 : x
2. Step 2: Convert to fraction form
   42,464,756.78/63,696,494.17 = 19,105,003.77/x
3. Step 3: Cross multiply
   42,464,756.78x = 63,696,494.17 × 19,105,003.77
4. Step 4: Simplify right side
   42,464,756.78x = 1,216,921,761,253,633
5. Step 5: Solve for x
   x = 1,216,921,761,253,633/42,464,756.78
6. Step 6: Final answer
   x = 28,657,217.27