Finding the Fourth Proportional to 61,321.98, 91,933.34 and 19,180.38

Step by Step Solution

1. Step 1: Write the proportion equation
   61,321.98 : 91,933.34 = 19,180.38 : x
2. Step 2: Convert to fraction form
   61,321.98/91,933.34 = 19,180.38/x
3. Step 3: Cross multiply
   61,321.98x = 91,933.34 × 19,180.38
4. Step 4: Simplify right side
   61,321.98x = 1,763,316,395.87
5. Step 5: Solve for x
   x = 1,763,316,395.87/61,321.98
6. Step 6: Final answer
   x = 28,755.05