Finding the Fourth Proportional to 105,262, 157,970.76 and 49,858

Step by Step Solution

1. Step 1: Write the proportion equation
   105,262 : 157,970.76 = 49,858 : x
2. Step 2: Convert to fraction form
   105,262/157,970.76 = 49,858/x
3. Step 3: Cross multiply
   105,262x = 157,970.76 × 49,858
4. Step 4: Simplify right side
   105,262x = 7,876,106,152.08
5. Step 5: Solve for x
   x = 7,876,106,152.08/105,262
6. Step 6: Final answer
   x = 74,823.83