Finding the Fourth Proportional to 42,795.54, 64,208.51 and 19,100.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,795.54 : 64,208.51 = 19,100.94 : x
2. Step 2: Convert to fraction form
   42,795.54/64,208.51 = 19,100.94/x
3. Step 3: Cross multiply
   42,795.54x = 64,208.51 × 19,100.94
4. Step 4: Simplify right side
   42,795.54x = 1,226,442,897.00
5. Step 5: Solve for x
   x = 1,226,442,897.00/42,795.54
6. Step 6: Final answer
   x = 28,658.19