Finding the Fourth Proportional to 106,071.76, 159,002.53 and 49,811.15

Step by Step Solution

1. Step 1: Write the proportion equation
   106,071.76 : 159,002.53 = 49,811.15 : x
2. Step 2: Convert to fraction form
   106,071.76/159,002.53 = 49,811.15/x
3. Step 3: Cross multiply
   106,071.76x = 159,002.53 × 49,811.15
4. Step 4: Simplify right side
   106,071.76x = 7,920,098,623.15
5. Step 5: Solve for x
   x = 7,920,098,623.15/106,071.76
6. Step 6: Final answer
   x = 74,667.37