Finding the Fourth Proportional to 105,819.93, 158,522.20 and 61,353.23

Step by Step Solution

1. Step 1: Write the proportion equation
   105,819.93 : 158,522.20 = 61,353.23 : x
2. Step 2: Convert to fraction form
   105,819.93/158,522.20 = 61,353.23/x
3. Step 3: Cross multiply
   105,819.93x = 158,522.20 × 61,353.23
4. Step 4: Simplify right side
   105,819.93x = 9,725,848,050.71
5. Step 5: Solve for x
   x = 9,725,848,050.71/105,819.93
6. Step 6: Final answer
   x = 91,909.42