Finding the Fourth Proportional to 77,404.82, 116,107.22 and 61,920.86

Step by Step Solution

1. Step 1: Write the proportion equation
   77,404.82 : 116,107.22 = 61,920.86 : x
2. Step 2: Convert to fraction form
   77,404.82/116,107.22 = 61,920.86/x
3. Step 3: Cross multiply
   77,404.82x = 116,107.22 × 61,920.86
4. Step 4: Simplify right side
   77,404.82x = 7,189,458,914.61
5. Step 5: Solve for x
   x = 7,189,458,914.61/77,404.82
6. Step 6: Final answer
   x = 92,881.28