Finding the Fourth Proportional to 61,061.32, 91,597.79 and 18,941.86

Step by Step Solution

1. Step 1: Write the proportion equation
   61,061.32 : 91,597.79 = 18,941.86 : x
2. Step 2: Convert to fraction form
   61,061.32/91,597.79 = 18,941.86/x
3. Step 3: Cross multiply
   61,061.32x = 91,597.79 × 18,941.86
4. Step 4: Simplify right side
   61,061.32x = 1,735,032,514.49
5. Step 5: Solve for x
   x = 1,735,032,514.49/61,061.32
6. Step 6: Final answer
   x = 28,414.59