Finding the Fourth Proportional to 105,560.72, 158,312.68 and 49,346.01

Step by Step Solution

1. Step 1: Write the proportion equation
   105,560.72 : 158,312.68 = 49,346.01 : x
2. Step 2: Convert to fraction form
   105,560.72/158,312.68 = 49,346.01/x
3. Step 3: Cross multiply
   105,560.72x = 158,312.68 × 49,346.01
4. Step 4: Simplify right side
   105,560.72x = 7,812,098,967.04
5. Step 5: Solve for x
   x = 7,812,098,967.04/105,560.72
6. Step 6: Final answer
   x = 74,005.74