Finding the Fourth Proportional to 105,736.72, 158,554.86 and 61,377.08

Step by Step Solution

1. Step 1: Write the proportion equation
   105,736.72 : 158,554.86 = 61,377.08 : x
2. Step 2: Convert to fraction form
   105,736.72/158,554.86 = 61,377.08/x
3. Step 3: Cross multiply
   105,736.72x = 158,554.86 × 61,377.08
4. Step 4: Simplify right side
   105,736.72x = 9,731,634,326.61
5. Step 5: Solve for x
   x = 9,731,634,326.61/105,736.72
6. Step 6: Final answer
   x = 92,036.47