Finding the Fourth Proportional to 36,695,978.10, 55,086,467.85 and 19,689,866.10

Step by Step Solution

1. Step 1: Write the proportion equation
   36,695,978.10 : 55,086,467.85 = 19,689,866.10 : x
2. Step 2: Convert to fraction form
   36,695,978.10/55,086,467.85 = 19,689,866.10/x
3. Step 3: Cross multiply
   36,695,978.10x = 55,086,467.85 × 19,689,866.10
4. Step 4: Simplify right side
   36,695,978.10x = 1,084,645,175,888,455
5. Step 5: Solve for x
   x = 1,084,645,175,888,455/36,695,978.10
6. Step 6: Final answer
   x = 29,557,603.64