Finding the Fourth Proportional to 105,804.56, 158,499.14 and 61,337.86

Step by Step Solution

1. Step 1: Write the proportion equation
   105,804.56 : 158,499.14 = 61,337.86 : x
2. Step 2: Convert to fraction form
   105,804.56/158,499.14 = 61,337.86/x
3. Step 3: Cross multiply
   105,804.56x = 158,499.14 × 61,337.86
4. Step 4: Simplify right side
   105,804.56x = 9,721,998,059.44
5. Step 5: Solve for x
   x = 9,721,998,059.44/105,804.56
6. Step 6: Final answer
   x = 91,886.38